California first state to regulate GHGs of ridesharing companies

California has become the first state in the US to regulate the greenhouse gas produced by the surge in popularity of ridesharing. California Governor Brown signed SB 1014, a bill requiring transportation network companies (TNCs) to account for, and reduce, the greenhouse gas emissions of their operations. The explosive growth... Read more →


CARB staff proposing amendments to Fill Pipes specs for gasoline-fueled cars

The staff of the California Air Resources Board (CARB) is proposing amendments to the Fill Pipes Specifications to help ensure new motor vehicle fill pipes continue to be compatible and to form a good seal with Phase II recovery nozzles that are certified for use at California gasoline stations, thereby... Read more →


California legislature passes SB 100: 100% renewable and zero-carbon energy by 2045

The California Assembly has passed Senate Bill 100—a bill to move California to 100% renewable and zero-carbon energy by 2045. This bill—known as The 100 Percent Clean Energy Act of 2018—increases the Renewables Portfolio Standard (RPS) requirement from 50% by 2030 to 60% and creates the policy of planning to... Read more →


ROUSH CleanTech develops near-zero NOx propane autogas engine; CARB-certified at 0.02 g/bhp-hr

Alternative-fuel technology company ROUSH CleanTech has developed the first available propane autogas engine certified to California Air Resources Board’s (CARB’s) optional low oxides of nitrogen emissions standard for heavy-duty engines with 0.02 grams per brake horsepower-hour (g/bhp-hr). (Earlier post.) The engine is 90% cleaner than the current Environmental Protection Agency’s... Read more →


Colorado AQCC moves forward with California LEV regulations; to consider separate ZEV mandate

The Colorado Air Quality Control Commission (AQCC) will move forward with a proposal to adopt California Low Emission Vehicle standards for new light- and medium-duty motor vehicles sold in Colorado beginning in MY 2022. (Earlier post.) The proposed rule is now set for a Public Rulemaking hearing, scheduled for November.... Read more →


Colorado DPHE proposing rule to adopt California LEV standards for MY 2022 and following

The Colorado Department of Public Health and Environment will propose Regulation Number 20, Low Emission Vehicles (Colorado Low Emission Automobile Regulations, CLEAR), to the Colorado Air Quality Control Commission (AQCC) to the AQCC at its regular meeting on 16 August. The proposed rule adopts California Low Emission Vehicle standards for... Read more →


ABI Research forecasts EV mileage share to exceed 20% by 2030, driven by car-sharing fleets

A new report by ABI research forecasts that a proportionately higher uptake of EVs in car-sharing fleets, and the higher utilization rates of those EVs, will result in global electric mileage share to exceed 20% by 2030. While consumer adoption of EVs continues to disappoint with only 2% of all... Read more →


Study concludes environmental regulations drove steep declines in US factory pollution even with increased production

The federal Clean Air Act and associated environmental regulations have driven steep declines in air pollution emissions over the past several decades, even as US manufacturers increased production, according to a study by two University of California, Berkeley, economists. The study, forthcoming in the American Economic Review, found that polluting... Read more →


The California Air Resources Board (ARB) has released its proposed Innovative Clean Transit (ICT) regulation (earlier post) and a Draft Environmental Analysis (Draft EA) for public comment. CARB will conduct a public hearing on 27 September in Sacramento to consider the proposed ICT Regulation. As currently written, the ICT contains... Read more →


CARB proposes amending California LEV III Greenhouse Gas Emission Regulation to maintain stringency if US standards change

The California Air Resources Board (CARB) has proposed amending the California Low-Emission Vehicle III Greenhouse Gas Emission Regulation to ensure that cars and light-duty trucks for model years 2022-2025 continue to meet California standards even if Federal standards are frozen. (Earlier post.) Recognizing the value of a national program to... Read more →


New analysis by IHS Markit suggests that automakers failing to meet 2021 fleet CO2 emissions compliance for passenger vehicles sold in the European Union (EU) could be fined more than €14 billion (US$16 billion) in 2021. Legislators in the European Union (EU) are imposing a new passenger car fleet CO2... Read more →


JATO Dynamics’ latest findings on the impact of WLTP on the automotive market indicate that re-homologation to the WLTP test cycle is having a more significant impact than previously thought on NEDC-correlated values obtained under WLTP, which are calculated using co2mpas (the model developed to convert WLTP CO2 measurements to... Read more →


California Governor directs ARB to assess new regulations to increase ZEV adoption in public and private fleets

California Governor Jerry Brown has directed the California Air Resources Board (ARB) to assess possible regulatory requirements to ensure greater inclusion of zero emission vehicles in public and private light- and heavy-duty vehicle fleets. In a 1 August 2018 letter to CARB Chair Mary Nichols, Governor Brown wrote: As the... Read more →


Broad opposition to EPA, NHTSA proposed freeze of GHG, CAFE regs

When the US Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) rolled out their proposed rulemaking for changing the greenhouse gas and fuel economy regulations governing MY 2012-2026 light duty vehicles, opposition from environmental groups, affected state governments and other sectors was broad and rapid—partly because the... Read more →


US EPA and DOT propose freezing light-duty fuel economy, GHG standards at 2020 level for MY 2021-2026 vehicles; 43.7 mpg for cars; 50-state solution

The US Environmental Protection Agency (EPA) and US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) released their long-expected notice of proposed rulemaking (NPRM) to adjust the Congressionally-mandated Corporate Average Fuel Economy (CAFE) and Light-Duty Vehicle Greenhouse Gas Emissions Standards. This Notice of Proposed Rulemaking (NPRM) is the first... Read more →


CARB investigation leads to nationwide recall of 500,000+ Cummins heavy-duty trucks due to defective SCR catalysts

The California Air Resources Board (CARB) announced that 500,000 heavy-duty trucks manufactured by Cummins Inc. will be recalled due to excess emissions caused by defective catalysts. The cause of the excess emissions was purely mechanical—the faster-than-expected degradation of the catalyst—and not the product of a defeat device. The degrading catalysts... Read more →


Teijin Frontier to acquire J.H. Ziegler; addressing EV demand

Teijin Frontier Co., Ltd., the Teijin Group’s fiber and products converting company, agreed to acquire J.H. Ziegler GmbH (Ziegler), a leading supplier of automotive interior materials in Germany, at a cost of approximately €125 million (US$146 million). Ziegler will become a wholly-owned subsidiary of Teijin Frontier. Since its establishment in... Read more →


CARB and US EPA approve final Volkswagen diesel modification to remove defeat devices; marks end of 3-year redesign of >500k vehicles

The California Air Resources Board (CARB) and the US Environmental Protection Agency (EPA) have approved emissions modifications for the last remaining Volkswagen (VW) vehicles containing undisclosed software which deliberately shut down emission control equipment (defeat devices). The legal process began in 2015 and eventually involved more than a half million... Read more →


The California Air Resources Board (CARB) announced that greenhouse gas emissions in California in 2016 fell below 1990 levels for the first time since emissions peaked in 2004—a reduction roughly equivalent to taking 12 million cars off the road or saving 6 billion gallons of gasoline a year. Under Assembly... Read more →


Audi presents results of diesel assessment to KBA

Following the conclusion of internal technical analyses of all its V TDI engines, Audi has passed on its essential findings to the German Federal Motor Vehicle Transport Authority (Kraftfahrt-Bundesamt, KBA) as the responsible authority. The details will be discussed over the coming weeks. For current models with third-generation V6 TDI... Read more →


The US Environmental Protection Agency (EPA) Administrator Scott Pruitt issued a proposed rule under the Renewable Fuel Standards (RFS) program that would set the minimum amount of renewable fuels that must be supplied to the market in calendar year 2019, as well as the biomass based diesel volume standard for... Read more →


Growth Energy estimates 2,800 retail sites in US to offer E15 by 2021; 350M new ethanol gallons annually

More than 2,800 retail sites will offer E15 by 2021, generating approximately 350 million new ethanol gallons annually, according to a one-pager released by biofuel trade association Growth Energy. The report touts the accomplishments of Prime the Pump, a nonprofit organization dedicated to helping build the infrastructure and distribution of... Read more →


EPA approves bio-isobutanol as gasoline additive at up to 16 vol %

EPA has approved the registration of bio-isobutanol as a gasoline additive at up to 16 vol % after reviewing and taking comment on the application of Butamax Advanced Biofuels, LLC. (Earlier post.) Butamax, a manufacturer of bio-isobutanol, submitted an application pursuant to the regulations at 40 CFR Part 79, Registration... Read more →


Braunschweig public prosecutor levies €1B fine against Volkswagen AG over diesel crisis; Volkswagen accepts fine, admits responsibility

The Braunschweig, Germany public prosecutor issued an administrative order against Volkswagen AG in the context of the diesel crisis. The administrative order provides for a fine of €1 billion (US$1.2 billion) in total, consisting of the maximum penalty as legally provided for of €5 million and the disgorgement of economic... Read more →


The California ARB has released the draft summary of its proposed Innovative Clean Transit (ICT) regulation (earlier post) for review and comments. Staff will be discussing this concept at a public workshop being held today. The proposed ICT regulation includes a transition to zero-emission technologies while enhancing transit services. The... Read more →


Recent moves by the International Maritime Organization (IMO) have signaled a strong determination by the sanctioning body to strictly enforce a tightening of marine fuel low-sulfur regulations, which will result in a period of huge upheaval in global oil markets, extraordinary margins for some oil refiners, and a potential doubling... Read more →


Scientists from Emory University, NASA’s Jet Propulsion Laboratory and the California Air Resources Board teamed to analyze satellite data to determine the 15-year trend of PM2.5 pollution in the state. PM2.5 is especially burdensome in California and accounts for the greatest percentage of health impacts attributable to air pollution. The... Read more →


The California Air Resources Board (CARB) approved a plan to mitigate statewide harm from more than 10,000 tons of smog-causing pollutants released in the state due to Volkswagen’s (VW) use of illegal “defeat devices” in diesel passenger cars. The National VW Environmental Trust provides California with $423 million for this... Read more →


Californians for Zero Emission Vehicles (CalZEV), a coalition of public health, environmental and electric vehicle industry organizations, announced its strong support for the Innovative Clean Transit (ICT) measure currently before the California Air Resources Board (CARB). Under the proposal (earlier post), California transit agencies would be required to purchase 100%... Read more →


UK government launches new clean air strategy; ending sales of conventional diesel and gasoline LDVs by 2040

UK Environment Secretary Michael Gove published a new Clean Air Strategy to cut air pollution backed up through new primary legislation. The UK said it will go further and faster than the EU in reducing human exposure to particulate matter pollution. These proposals are in addition to the government’s £3.5-billion... Read more →


European Commission proposes 15% reduction in CO2 for new heavy-duty trucks by 2025, indicative target of 30% by 2030

In the third set of measures designed to implement the “Europe on the Move” goals of modernizing the transport system, the European Commission is proposing a 15% reduction in new heavy-duty truck CO2 emissions by 2025 from 2019 levels. For 2030, the Commission proposed an indicative reduction target of at... Read more →


Study finds rising emissions of ozone-depleting CFC-11, banned by Montreal Protocol

Emissions of one of the chemicals most responsible for the Antarctic ozone hole are on the rise, despite an international treaty that required an end to its production in 2010, a new study by researchers at NOAA and their colleagues shows. Trichlorofluoromethane (CFC-11) is the second-most abundant ozone-depleting gas in... Read more →


Study finds attribute-based fuel economy standards less effective and more costly than flat standard with credit trading

As the Trump administration weighs how to revise fuel economy standards, a new study by research fellows of the National Bureau of Economic Research (NBER) finds that attribute-based regulations—such as the footprint-based rules in the US—are less effective and more costly than a flat standard with credit trading. At the... Read more →


Cedars-Sinai study finds prolonged exposure to coarse PM in LA Basin air led to genetic changes in rat brains

Prolonged exposure to coarse particulate matter (PM2.5–10) in air pollution in the Los Angeles Basin triggered inflammation and the appearance of cancer-related genes in the brains of rats, a Cedars-Sinai study has found. Previous research has documented the association between air pollution and a variety of diseases, including cancer. This... Read more →


With the market launch of the new A-Class (earlier post), the new diesel engines from Mercedes-Benz are now available from the compact class to the luxury class. With these engines, Mercedes-Benz vehicles achieve average NOx emissions of between 40 and 60 mg/km over many thousands of kilometers of driving on... Read more →


California ARB readying regulatory options to maintain state LDV GHG standards in event of Federal change

In April 2018, the US Environmental Protection Agency (EPA) completed the Midterm Evaluation (MTE) process for the greenhouse gas (GHG) emissions standards for cars and light trucks for model years 2022-2025, and determined that the current standards are not appropriate and should be revised. (Earlier post.) The California Air Resources... Read more →


US charges former CEO of Volkswagen AG Winterkorn with conspiracy and wire fraud in diesel emissions scandal

A US federal indictment is charging Martin Winterkorn, the former chairman of the management board of Volkswagen AG (VW), with conspiracy and wire fraud in connection with VW’s cheating on US diesel vehicle emissions requirements. The FBI and EPA Criminal Investigation Division are investigating the case. The superseding indictment was... Read more →


NOx emissions have not been decreasing as expected in recent years (2011–2015) when comparing top-down estimates from satellites and surface NO2 measurements to the trends predicted from the US Environmental Protection Agency’s emission inventory data, according to a new study by an international team of researchers. In an open-access paper... Read more →


US imports of biomass-based diesel, which include biodiesel and renewable diesel, totaled 14.1 million barrels in 2017, a 36% decrease from 2016, according to the US Energy Information Administration (EIA). Although increasing Renewable Fuel Standard (RFS) targets have driven increased biomass-based diesel demand in recent years, imports fell in 2017... Read more →


A team at the University of Denver has measured the emissions from two in-use California heavy-duty truck fleets—at the Port of Los Angeles and the Cottonwood weigh station in Northern California—using the On-Road Heavy-Duty Measurement System in 2013, 2015 and 2017. A report on their findings is published in the... Read more →


CARB cracks down on Low Carbon Fuel Standard violators; $785K in penalties for three companies

Three energy companies have agreed to fines totaling $785,000 following investigations by the California Air Resources Board (CARB). All three companies violated provisions of the Low Carbon Fuel Standard (LCFS). SK Energy Americas agreed to a $395,000 penalty for failure to meet the carbon intensity target for 2014. Alon USA... Read more →


The Environmental Protection Agency is not sufficiently protecting the environment

Opinion by Michael Sivak The mission of the Environmental Protection Agency (EPA) is to protect human health and the environment. However, as the EPA is getting ready to relax the future vehicle fuel economy standards, the time is right to consider whether, under the current administration, this agency’s mission is,... Read more →


New regulations to double the use of sustainable renewable fuels in UK by 2020; 12.4% minimum blend by 2032

New biofuel targets that came into force in the UK over the weekend (15 April 2018) will double the use of renewable fuels in the UK transport sector within 15 years, cutting the sector’s reliance on imported diesel. Changes to the Renewable Transport Fuel Obligation (RTFO) will compel owners of... Read more →


The International Council on Clean Transportation (ICCT) reports that the Marine Environment Protection Committee of the International Maritime Organization (IMO) has adopted a resolution codifying an initial greenhouse gas (GHG) strategy for international shipping. This strategy, which represents the first global climate framework for shipping, includes quantitative GHG reduction targets... Read more →


Researchers measure actual CO2 emissions from fossil fuel use and compare to reported levels

Researchers have measured CO2 emissions from fossil fuel use in California and compared them to reported emissions. This is the first time fossil fuel emissions have been independently checked for such a large area. The team of researchers, led by researchers from Imperial College London (ICL), developed a technique to... Read more →


EPA: GHG emissions standards for cars and light trucks should be revised; joint process with NHTSA (updated with more reactions)

The US Environmental Protection Agency (EPA) Administrator Scott Pruitt announced the completion of the Midterm Evaluation (MTE) process for the greenhouse gas (GHG) emissions standards for cars and light trucks for model years 2022-2025, and his final determination that the current standards are not appropriate and should be revised. Administrator... Read more →


Study finds between 87 to 98% of ships following the new sulfur regulations in northern Europe

Researchers at Chalmers University of Technology have shown that between 87 and 98 percent of ships comply with the tougher regulations for sulfur emissions that were introduced in northern Europe in 2015. The lowest levels of compliance were observed in the western part of the English Channel and in the... Read more →


CALSTART survey finds major automotive suppliers see current CAFE standards as beneficial; 82% see BEVs as most important post-2025

Major automotive suppliers see current national fuel economy standards as a boon for company job growth and industry investment and don’t want to see them altered by policymakers, according to the findings of an annual survey commissioned by CALSTART, an automotive technology industry group. The Environmental Protection Agency is expected... Read more →


ICCT: decline in diesel sales will have negligible impact on attainment of European CO2 emission standards

The current decline is ales of diesel light duty vehicle in Europe does not put EU CO2 targets out of reach of automakers, according to a new analysis by the International Council on Clean Transportation (ICCT). Other technologies—such as efficiency improvements in gasoline engines as well as the rollout of... Read more →


Australian study finds VW diesel using up to 14% more fuel in real world driving after emissions upgrade

Emissions analysis commissioned by the Australian Automobile Association (AAA) has found an affected VW diesel vehicle to be using up to 14% more diesel after being recalled for the mandated emissions system fix. Conducted in partnership with the Fédération Internationale de l’Automobile (FIA), the real world testing was commissioned to... Read more →