PSI team finding offers way to improve performance of SCR catalysts

A common approach to reducing NOx emissions from diesel engines is the use of Selective Catalytic Reduction (SCR); the system converts NOx to nitrogen and water via the addition of ammonia. However, SCR only delivers satisfactory results at an exhaust gas temperature well above 200 ˚C. In a cold start,... 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 →

California ARB awards $7M for ultra-low NOx heavy-duty diesel truck demo project with Achates opposed-piston engines

The California Air Resource Board (CARB) is awarding $7 million to CALSTART to develop a Class 8 truck that will achieve a 90% reduction in NOx along with a 15-20% fuel efficiency improvement. The project will build and install diesel-fueled two-stroke compression-ignition Achates Power Opposed-Piston Engines into Class 8 demonstration... Read more →

Ford introduced the new 2019 Transit Connect Cargo Van. The best-selling compact cargo van in the US, Ford Transit Connect has a 46% market share. More than 300,000 Transit Connect vehicles have been sold since 2009 when Ford created the segment in the United States. Of those, 97% are still... Read more →

Average CO2 emissions generated by new cars in Europe increased during 2017—the first rise in 10 years—according to a new analysis by JATO Dynamics. Covering 23 European markets, the study found that average CO2 emissions increased by 0.3 g/km in 2017, finishing at 118.1 g/km. This rise in average CO2... Read more →

Toyota phasing out diesel in passenger cars in Europe, keeping diesel for commercial vehicles

Buoyed by strong European customer demand for hybrid versions on its core models, Toyota will phase out diesel engines from all its passenger cars in 2018. In 2017, hybrids represented 41% of Toyota’s European total sales, rising +38% year-on-year to 406,000 units. In contrast, Toyota’s diesel mix on passenger cars... Read more →

At the Geneva Motor Show this week, Mercedes-Benz is unveiling two new preproduction models that combine the new OM 654 four-cylinder diesel engine with the latest-generation 9G-TRONIC 9-speed hybrid transmission. Like the S 560 e (combined fuel consumption 2.1 l/100 km (112 mpg US), combined CO2 emissions 49 g/km) (earlier... Read more →

Crude palm oil is one of the more than ten renewable raw materials that Neste uses to produce a range of renewable products, including renewable diesel. Palm oil represents approximately 20% of Neste’s renewable raw material usage annually. Neste has been exploring ways to contribute to improving palm oil industry’s... Read more →

German Federal Administrative Court rules diesel bans in cities possible

In a highly anticipated decision, the German Federal Administrative Court (Bundesverwaltungsgericht) in Leipzig has ruled that cities can ban highly polluting diesel cars if necessary to achieve NO2 emission limits. The verdict of the Bundesverwaltungsgericht—one of the five German federal supreme courts and the court of last resort for administrative... Read more →

The UK automotive industry warned that the current anti-diesel agenda combined with the ongoing slow take-up of electric vehicles could mean industry misses its next round of CO2 targets in 2021, with negative consequences for the UK’s own climate change goals. The warning came as a new report published by... Read more →

Kia Motors revealed the new Ceed ahead of its world debut at the 2018 Geneva International Motor Show. Among its enhancements, the new Ceed is available with Lane Following Assist, a ‘Level Two’ autonomous driving technology. Lane Following Assist tracks vehicles in front of the Ceed in traffic, and identifies... Read more →

Israel’s Ministry of Environmental Protection (MoEP) and Haifa Municipality have begun operating a low-emission zone (LEZ). As of 2 February 2018, polluting heavy diesel vehicles were no longer allowed in downtown Haifa. These buses and trucks must install a particulate filter in order to enter the restricted area. The creation... Read more →

Forerunner and historical leader of the leisure activity vehicle (LAV)—i.e., small vans—segment in Europe, Groupe PSA will introduce three latest-generation models designed for its different brands: Peugeot, Citroën and Opel/Vauxhall. The new line-up stems from a single development program aimed at increasing the efficiency of investments and resources devoted to... Read more →

Ronald Grover, staff researcher at General Motors (GM) Research and Development and GM colleagues Jian Gao, Venkatesh Gopalakrishnan, and Ramachandra Diwakar are using the Titan supercomputer at the Oak Ridge Leadership Computing Facility (LCF), a US Department of Energy Office of Science User Facility at DOE’s Oak Ridge National Laboratory... Read more →

Ford unveiled the redesigned Transit Connect Wagon at the Chicago Auto Show. The wagon, which comes in 5- or 7-passenger models, offers a choice between a new 2.0-liter four-cylinder gasoline engine with direct injection with Auto Start-Stop as standard equipment, or the new 1.5-liter EcoBlue diesel, both paired with a... Read more →

Diesel car registrations in Europe in 2017 down 7.9%; SUV sales up 19.5%; AFVs up 46% but share still low

In Europe, diesel car registrations fell by 7.9% to 6.76 million units in 2017, representing just 43.7% of market share—the lowest for the segment in the last decade, according to figures from JATO Dynamics. Gasoline car registrations benefited from the decline of diesel, growing by 10.9% (+760,000 units) to a... Read more →

BMW makes SCR standard on all diesels in future; more models to receive GPF (including i8); new diesel engine for X3

BMW is making a number of adjustments to its powertrain lineup from spring 2018, including new diesel aftertreatment systems for its smaller diesel models; gasoline particulate filters on more gasoline models; and a new diesel engine for the X3. SCR. BMW ensures maximum effective reduction of diesel NOx emissions from... Read more →

China Yuchai launches 14 new diesel and natural gas engines to meet upcoming National VI emission standards

China Yuchai International Limited, a leading manufacturer and distributor of engines for on- and off-road applications in China through its main operating subsidiary, Guangxi Yuchai Machinery Company Limited (GYMCL), launched 14 new engines compliant with China’s more stringent National VI emission standards. GYMCL’s new National VI engines include 10 diesel... Read more →

DOE awards $1.87M to 7 projects to advance high performance computing in manufacturing

The US Department of Energy (DOE) will award $1.87 million to seven projects to advance innovation in US manufacturing through high performance computing. Part of DOE’s High Performance Computing for Manufacturing (HPC4Mfg) program (earlier post), the seven new public private partnerships will enable greater collaboration between DOE national labs and... Read more →

Ford dealers will begin taking orders for the 2018 F-150 with all-new 3.0-liter Power Stroke diesel engine (earlier post) this month. Deliveries begin this spring. The F-150 Power Stroke diesel features a targeted EPA-estimated 30 mpg (7.83 l/100 km) highway rating; a best-in-class 11,400 pounds (5,171 kg) of towing capacity... Read more →

Study finds Leipzig Low Emission Zone removed most dangerous particles; NOx remained nearly constant

Leipzig’s Low Emission Zone was established in March 2011, allowing only access of Euro 4 and higher diesel vehicles, with few exceptions. A joint scientific study by the Saxon State Office of the Environment, Agriculture and Geology (LfULG) and the Leibniz Institute for Tropospheric Research (TROPOS) has found that the... Read more →

China Lake team devises new class of bio-based high-cetane renewable diesel fuels: dioxolanes

Researchers at the Naval Air Warfare Center, China Lake have synthesized a new class of renewable diesel fuels from a methyl ketone and diols including 2,3-butanediol, 1,2-propanediol, and ethylene glycol. These fuels exhibit comparable net heats of combustion (NHOCs) to conventional biodiesel, while maintaining derived cetane numbers between 82-91. These... Read more →

Results of testing on a Euro 6 BMW 320d diesel by the German environmental organization Deutsche Umwelthilfe (DUH), ZDF’s WISO and a software expert point to the use of inadmissible defeat devices, according to DUH. The organizations found that road-testing NOx emissions are up to 7.2 times higher than those... Read more →

New nanostructured earth abundant metal catalysts rival platinum on a weight basis; diesel emissions treatment

A development in catalysis research by academics at the Universities of St Andrews and Newcastle could lead to new systems to treat diesel emissions. Catalysts are typically metallic nanoparticles—often platinum group metals—that are finely deposited upon a substrate. The activity and durability of the catalyst critically depends upon the interaction... Read more →

At the Los Angeles Auto Show, Jeep unveiled the 2018 Wrangler, with new mild hybrid (eTorque) and diesel options to be available. The 2018 Jeep Wrangler 2-door model is available in three different trim configurations: Sport, Sport S and Rubicon. Wrangler 4-door models are available in four different trim configurations:... Read more →

JATO: new diesel car volume in Europe in October dropped 9.9%; 41.4% market share lowest in 10 years

New vehicle sales in Europe in October 2017 increased 5.6% year-on-year to 1,202,877 units, according to figures from JATO Dynamics. This is the highest volume recorded for October since 2009, when 1.26 million units were registered. Despite a turbulent 2017, results for the first ten months of the year show... Read more →

KOHLER has introduced a new global emissions platform for its award winning KOHLER Direct Injection (KDI) diesel engine line. KOHLER Flex, unveiled at Agritechnica 2017 in Hanover, Germany, is a suite of advanced engine systems which are integrated into the KDI line—based on the specific needs of global equipment manufacturers—to... Read more →

Hyundai Motor America said it will introduce to eight new or re-engineered crossover utility vehicles (CUVs) in the United States by the year 2020. Beginning with the US launch of the Kona—Hyundai’s first global B-segment CUV)—in March, this new lineup will encompass models from the A-segment (entry level) size class... Read more →

Study concludes 20% synthetic diesel blend could reduce PM emissions in Beijing by ~19%

PM emissions from current vehicles in Beijing could be reduced by approximately 19% by simply blending 20% synthetic diesel with currently available diesel, according to a new study by Tsinghua University, the Desert Research Institute in Nevada and Greyrock Energy, a developer of gas-to-liquids technology. This improvement can be accomplished... Read more →

Audi is systematically building on its e-fuels strategy. (Earlier post.) Together with the partners Ineratec GmbH (earlier post) and Energiedienst Holding AG, the company has plans for a new pilot facility for the production of e-diesel in Laufenburg, in Canton Aargau (Switzerland). For the first time, the energy needed will... Read more →

Researchers from France and Germany are proposing a new concept for the dynamic tuning of the structure of platinum nanoparticles on catalytic converters to enhance their performance—especially after cold starts and in urban traffic—and to reduce the consumption of expensive noble metal. The method is based on the interaction between... Read more →

Ricardo working to reduce development time for 48V-based powertrains; THOMSON project

As part of the EU-funded THOMSON (Mild Hybrid cOst effective solutions for a fast Market penetratiON) project, Ricardo is pursuing research that aims to reduce the development cycle time of hybrid vehicles through the use of simulation for the simultaneous optimization of mechanical, thermal and electrical energy efficiency. The €11.7-million... Read more →

Dearman flags diesel loophole in new London T-Charge anti-pollution scheme

Dearman, the UK-based developer of clean cold power systems based on its engine powered by liquid nitrogen (earlier post), has identified a diesel loophole in the new London T-Charge levy on the most polluting vehicles. (Earlier post.) The £10 (US$13) per day levy applies to vehicles whose main engines do... Read more →

Sandia National Laboratories mechanical engineer Jackie Chen and colleagues Alex Krisman and Giulio Borghesi recently identified novel behavior of a key, temperature-dependent feature of the ignition process called a cool flame in the fuel dimethyl ether. The researchers used a two-dimensional direct numerical simulation (DNS) to provide a fully resolved... Read more →

Diesel’s market share in the EU-15 fell from 50.2% to 46.3% of new car registrations in the first half of 2017, according to the European Association of Automobile Manufacturers (ACEA). In absolute numbers, 152,323 fewer diesel cars were sold. This drop was offset by an increase in the sale of... Read more →

Cummins and Achates Power awarded $47.4M NAMC contract to develop advanced combat vehicle engine

Cummins has been awarded a $47.4 million contract from the National Advanced Mobility Consortium (NAMC) to develop and demonstrate a technologically advanced engine for the next generation of US combat vehicles. The Advanced Combat Engine (ACE) project, led by Cummins Corporate Research and Technology and supported by Achates Power—the developer... Read more →

Navistar and Volkswagen to develop electric medium-duty truck for US and Canada; targeting 2019 or 2020 launch

At the North American Commercial Vehicle Show, Navistar International Corporation announced it expects a number of new product offerings and integrations with alliance partner Volkswagen Truck & Bus (earlier post), including plans to develop an electric-powered, medium-duty vehicle for the company’s core (US and Canada) market. Troy A. Clarke, chairman,... Read more →

NREL team demonstrates sustainable process for conversion of algal lipids to renewable diesel

A team at the National Renewable Energy Laboratory (NREL) has demonstrated a sustainable process for converting crude extracted algal lipids to renewable diesel fuel via bleaching, deoxygenation, and hydroisomerization. A paper on their study is published in the ACS journal Energy & Fuels. They explored the effects of bleaching (using... Read more →

Tulane, SACHEM collaborate on SSZ-39 zeolite for improved SCR systems

Members of Tulane University’s Shantz Lab will collaborate with scientists from chemical science company SACHEM to develop next-generation materials to reduce automotive emissions. SACHEM is funding the effort. Under the direction of Daniel Shantz, a professor of chemical and biomolecular engineering and the Entergy Chair of Clean Energy Engineering, the... Read more →

A new analysis by the NGO Transport & Environment (T&E) concludes that diesel cars emit more CO2 than equivalent cars on a full lifecycle basis—i.e., accounting for the emissions generated during production of the vehicle and the fuel. According to the T&E analysis, an average diesel car produces emits 3.65... Read more →

Opel has begun production of its new 2.0-liter BiTurbo top-end diesel, tailored for Opel’s second-generation Insignia. The newly designed 2.0-liter diesel engine produces 154 kW/210 hp at 4,000 rpm and develops strong torque of 480 N·m (354 lb-ft) from only 1,500 rpm using sequential two-stage turbocharging. Official fuel consumption for... Read more →

A new study by the independent research organization International Council on Clean Transportation (ICCT) has compiled the test results from government agencies across Europe for 541 Euro 5 and Euro 6 diesel passenger cars. The study found that the average real-world level of nitrogen oxide (NOx) emissions from Euro 6... Read more →

A new study commissioned by the International Council on Clean Transportation (ICCT) investigates the real-world emissions of four Euro 6 passenger cars—one gasoline and three diesel vehicles with different aftertreatment technologies—tested under variable conditions. The investigation was conducted by the Laboratory of Applied Thermodynamics, of the Aristotle University of Thessaloniki,... Read more →

PACCAR joins DOE SuperTruck II initiative; 5 teams now in program

PACCAR Inc. is joining four other SuperTruck II teams to develop innovative technologies that more than double the freight efficiency of Class 8 trucks. Funded by the US Department of Energy (DOE), the SuperTruck II program is a follow-on to the successful $240-million SuperTruck I initiative (earlier post), the goal... Read more →

Amminex is introducing BlueFit: a hardware retrofit solution aimed at lowering NOx emissions on older diesel cars to meet and surpass the latest Euro 6 standard. BlueFit comprises two key elements: a scaled-down version of the ASDS (Ammonia Storage and Delivery System) that is already used on commercial vehicles (earlier... Read more →

During an event at the Cummins Technical Center, Cummins unveiled its latest power solutions and energy-diverse products, displaying its near-zero natural gas engine technology (earlier post); super-efficient diesel engines (the X12 and X15, earlier post); and shared plans to introduce a “revolutionary” new heavy-duty diesel engine in 2022 for Class... Read more →

On 27 October 2016, the International Maritime Organization (IMO) announced that beginning on 1 January 2020, the maximum sulfur content allowed in marine bunker fuel will be reduced from 3.50% mass by mass (m/m) to 0.50% m/m (35,000 ppm to 5,000 ppm)—five years earlier than many expected. (Earlier post.) The... Read more →

As part of its biggest model offensive yet, Volkswagen is adding a compact-class crossover: the T-Roc. The new crossover slots below the Tiguan with pricing in the €20,000-class segment (Germany) and is based, like the Tiguan and the Atlas/Teramont, on the modular transverse matrix (MQB). Market launch begins in Europe... Read more →

On 1 September 2017, new emissions regulations for passenger vehicles come into force in the EU and Switzerland. These will plug the gaps in the existing legislation and will help to ensure that diesel vehicles in particular become considerably cleaner as regards their NOx emissions. However, the new regulations also... Read more →

Interest in gasoline engined and hybrid vehicles has jumped in Germany while interest in diesel is falling, according to the latest biennial study on automotive buying trends in that country by leading German fuel retailer Aral. According to the new Trends report, 52% of buyers want a conventional gasoline engine.... Read more →