According to a study commissioned by the Washington, DC-based Propane Education & Research Council (PERC), NOx emissions measured from propane autogas school buses were substantially lower than those measured from diesel school buses. The study was conducted in 2018 by West Virginia University’s Center of Alternatives Fuels, Engines, and Emissions... Read more →

Pennsylvania Governor Tom Wolf announced that 34 cleaner energy transportation projects will receive $8,489,844 in Driving PA Forward grants and rebates. Funded by Pennsylvania’s share of the settlement with Volkswagen Group of America, the Department of Environmental Protection (DEP)is committing funding for a range of clean energy transportation projects on... Read more →

Researchers in Europe have found that while diesel particulate filters (DPFs) have to a large extent masked the role of diesel fuel properties on particulate emissions, there is still room for optimization, especially in particle number (PN) emissions of vehicles with frequent regenerations. Their study is published in the journal... Read more →

The 2020 Chevrolet Silverado 1500 with the available, all-new 3.0L Duramax turbo-diesel engine delivers an EPA-estimated 33 mpg highway and 23 city in rear-wheel-drive models. EPA-estimated fuel economy for four-wheel drive models is 29 mpg highway/23 city. With an SAE-certified 277 horsepower and 460 lb-ft (624 N·m) of torque, the... Read more →

UK new car registrations declined for a fourth consecutive month in June, with year-on-year demand falling by -4.9% to 223,421 units, according to the latest figures released by the Society of Motor Manufacturers and Traders (SMMT). 1,269,245 new cars joined British roads in the first half of the year, down... Read more →

Audi’s sporty top model of the Q family, the SQ8 TDI SUV coupé, features a biturbo V8 TDI diesel that delivers 435 metric hp, 900 NN·mm (663.8 lb-ft) of torque, and accelerates from 0 to 100 km/h (62.1 mph) in 4.8 seconds. 4.0-liter V8 TDI Biturbo engine with electric powered... Read more →

The Mercedes-Benz OM 654q four-cylinder diesel from the modern OM 654 engine family already complies with the Stage 2 RDE (Real Driving Emissions) standard which does not come into force until 2020, and is certified to Euro 6d. With its near-engine installation, the emission control system has low heat losses... Read more →

The 2020 Ram 1500 will become the most powerful half-ton diesel pickup in the US, with 480 lb-ft (651 N·m) of torque, and the most capable light-duty diesel, with towing capability up to 12,560 pounds. The all-new third-generation 3.0-liter V-6 EcoDiesel is also expected to lead the segment on fuel... Read more →

Audi is launching the fourth generation of the A6 allroad quattro on European markets with a choice of three V6 TDI 3.0-liter engines. The 3.0 TDI is available in three output ratings. The first produces 170 kW (231 PS) and – from 1,750 to 3,250 rpm – 500 N·m (368.8... Read more →

Audi is launching the fourth generation of the A6 allroad quattro on European markets with a choice of three V6 TDI 3.0-liter engines. The 3.0 TDI is available in three output ratings. The first produces 170 kW (231 PS) and – from 1,750 to 3,250 rpm – 500 N·m (368.8... Read more →

Researchers from the University of Wisconsin Madison and ExxonMobil Research and Engineering have devised a two-stage process by which an alcohol such as ethanol or 1-butanol can be converted with high yields into distillate-range ethers and olefins by combining Guerbet coupling (the coupling of two alcohol molecules) and intermolecular dehydration.... Read more →

For the same vehicle models with different powertrains, the carbon footprint of the battery-powered E variants is already better than those of the corresponding vehicles with internal combustion engines, according to a certified life cycle assessment (LCA) of the Volkswagen Golf, which compares the CO2 emissions of the different vehicle... Read more →

Mazda Motor Corporation announced at the New York International Auto Show that it has begun accepting pre-orders for the diesel-powered 2019 Mazda CX-5 in the US market. It is the first time Mazda has offered a diesel-powered passenger car in the US market. The 2019 CX-5 Signature AWD with Skyactiv-D... Read more →

The California Air Resources Board announced a settlement with Fiat Powertrain Technologies Industrial S.p.A for emissions-related violations affecting nearly 2,000 on-road and off-road diesel engines. The settlement includes a mandatory recall of affected vehicles and $6.4 million in penalties. The enforcement case began after the company informed CARB in 2015... Read more →

For the first time, the Audi S5 Coupé/Sportback has a V6 diesel under the hood. The 3.0 TDI engine in the S5 Coupé and the S5 Sportback produces 255 kW (347 hp) and delivers up to 700 N·m (516.3 lb-ft) of torque between 2,500 and 3,100 rpm. An electric powered... Read more →

Air pollution from diesel engines may worsen allergy-induced lung impairment more when tiny particles are filtered from the exhaust than when they are not, according to new research published online in the American Thoracic Society’s American Journal of Respiratory and Critical Care Medicine. This counter-intuitive result may be due to... Read more →

The new Audi S6 and S7 models in Europe are making their entrance with a torquey V6 TDI engine. For the first time, Audi has combined an electric-powered compressor (EPC) with a 48-volt primary electrical system. The pairing of an electric compressor with a 48-volt primary electrical system takes the... Read more →

In addition to the 2.0-liter CRDi 48V diesel powertrain introduced in the New Tucson in 2018, Hyundai Motor has now combined its efficient and responsive 48V mild hybrid technology with the 100 kW/136-PS 1.6-liter CRDi diesel engine. The technology comprises a 48-volt battery, a Mild Hybrid Starter Generator (MHSG) and... Read more →

The Volkswagen Group said that since August 2017, more than 300,000 old diesel vehicles to exhaust emissions standards Euro 1 to Euro 5 have been exchanged throughout the Group. The old diesels have been replaced by new or nearly new cars from the participating Group brands with efficient powertrains of... Read more →

Commercial workboat engines are staying in service more than two times longer than predicted by the US Environmental Protection Agency (EPA), according to new research from the Diesel Technology Forum (DTF) and Environmental Defense Fund (EDF). This finding reveals important opportunities for clean air improvements, especially in large port cities... Read more →

The US Securities and Exchange Commission charged Volkswagen AG, two of its subsidiaries, and its former CEO, Martin Winterkorn, for defrauding US investors, raising billions of dollars through the corporate bond and fixed income markets while making a series of deceptive claims about the environmental impact of the company’s “clean... Read more →

Researchers have identified two strains of diesel-degrading bacteria in pristine Antarctic soil and their optimal working conditions. This insight could potentially inform bioremediation efforts in the region. An open-access paper on the work appears in the journal Microbial Cell Factories. Pollution from petroleum hydrocarbons such as diesel, which is widely... Read more →

Caterpillar Inc. and the US Department of Energy’s (DOE) Argonne National Laboratory are teaming up to research heavy-duty diesel engines. This project is funded by the Department’s Advanced Manufacturing Office (AMO) and Vehicle Technologies Office (VTO) and is one of seven public-private partnerships recently selected under the DOE’s High Performance... Read more →

A team led by researchers from Kanazawa University in Japan, with colleagues from Guangzhou Institute of Energy Conversion in China, have used ozone from an atmospheric-pressure non-equilibrium plasma together with the desulfurization catalyst MnO2 to almost completely eliminate NO2 and SO2 from diesel exhaust gas at a low temperature of... Read more →

An analysis by JATO Dynamics has found that average new vehicle CO2 emissions in European increased in 2018, with the total average increasing by 2.4 g/km to 120.5 g/km in 2018—the highest average of the last four years. The analysis covered 23 markets in Europe and found a direct correlation... Read more →

Mercedes-Benz is expanding Vito van range with enhancements including new high-torque four-cylinder diesel engines for the Vito Tourer with passenger car approval. In comparison to the predecessor, the new OM 654 diesel engine range reduces emissions and fuel consumption while also optimizing noise and vibration comfort. The OM 654 model... Read more →

Ford Europe will introduce more powerful and fuel-efficient 2.0-liter EcoBlue diesel engines, new 48V EcoBlue mild Hybrid powertrains; and driver assistance technologies including Active Park Assist in the enhanced Ford Tourneo Custom people-mover from mid-2019. Further optimized to deliver up to a 6% improvement in fuel efficiency for reduced running... Read more →

A new study provides the most detailed picture available to date of the global, regional, and local health impacts attributable to emissions from four transportation subsectors: on-road diesel vehicles; other on-road vehicles; shipping; and non-road mobile engines such as agricultural and construction equipment. Transportation-attributable PM2.5 and ozone deaths, associated mortality... Read more →

In Germany, testing by ADAC (Allgemeine Deutsche Automobil-Club eV) has found that all the Euro 6c and 6d-Temp vehicles that have been measured on the road to date meet much stricter requirements nitrogen oxides (NOx) than required by the EU. In the test, the cars were not only significantly below... Read more →

The new Audi SQ5 TDI diesel features a powerful V6 engine with a mild hybrid systems and an electric powered compressor to ensure that maximum torque is available to the sporty SUV at just above idle. The 3.0 V6 TDI engine delivers 255 kW (347 hp) and 700 N·m (516.3... Read more →

Audi is expanding the engine line-up for its luxury SUV, the Q8—as well as its roll-out of its 48V mild hybrid system (earlier post)—by adding two V6 engine versions. Beginning now, customers can also order the Q family’s top model with a 3.0 TFSI and an additional variant of the... Read more →

NEXT Renewable Fuels, Inc. (NEXT) and Shell Trading (US) Company (Shell) have entered a long-term purchase and sale agreement for the purchase of renewable diesel from NEXT’s planned Port Westward, Oregon facility. In November 2018, NEXT announced its selection of Honeywell UOP’s Ecofining technology to convert renewable feedstocks into renewable... Read more →

The European car market remained stable during 2018, as 15.6 million vehicles were registered—just 346 more than in 2017—according to JATO Dyanmics. It was the best result since 2007, when the market peaked with 16.02 million registrations. Strong results in Q2, where the market was up by 4.8%, and Q3,... Read more →

Customers of the Volkswagen Passenger Cars brand in Germany are once again placing more orders for diesel vehicles. In 2018, the share of incoming orders for vehicles equipped with the latest diesel technology as a proportion of the overall vehicle portfolio was 43% compared to 39% in 2017. Demand for... Read more →

British luxury yacht manufacturer Sunseeker International and Rolls-Royce will present the first yacht fitted with an MTU series-production hybrid propulsion system in 2020. Sunseeker and MTU are presenting the new hybrid propulsion system at Boot Düsseldorf until 27 January. The MTU hybrid propulsion system will consist of two 12-cylinder MTU... Read more →

The California Air Resources Board (CARB) staff will host a public workshop on 11 February to discuss ideas and strategies to reduce in-use emissions from heavy-duty diesel vehicles operating in the State of California. The objective of the workshop is to solicit stakeholder ideas and comments about potential strategies to... Read more →

Sales of diesel light-duty vehicles (Class 1-3) in the US in 2018 reached their highest annual level, coming in at more than 500,000 units—just over 3% of total vehicle sales—according to figures by Baum & Associates provided by the Diesel Technology Forum. The light-duty diesel segment is led by three... Read more →

At NAIAS 2019, Cummins Inc. unveiled its next generation 6.7L turbo diesel engine featuring a first-in-class 1,000 pound-feet (1,356 N·m) of torque. In addition to an increase in torque, the engine also has a higher horsepower output, taking the 2500 and 3500 heavy-duty RAM pickup truck customers to the next... Read more →

FCA US has reached final settlements on civil, environmental and consumer claims with US federal and state agencies as well as private class actions to resolve differences over diesel emissions requirements. The estimated total cost of settlements is $0.8 billion, in line with financial charge taken for this purpose in... Read more →

Mercedes-Benz has expanded the powertrain line-up of its new G-Class with an efficient diesel variant. The new G 350 d (fuel consumption, combined: 9.8-9.6 l/100 km; combined CO2 emissions: 259-252 g/km) is equipped with an OM 656 diesel(earlier post). The models will be available to order starting in January 2019... Read more →

Finland-based Neste has submitted three new Tier 2 Pathways for California’s Low Carbon Fuel Standard (LCFS) for renewable diesel produced at its Porvoo, Finland refinery. Two pathways are for Renewable Diesel from Tallow & Animal Fat and one is for Renewable Diesel from Used Cooking Oil (UCO). Neste already has... Read more →

Mercedes-Benz has begun sales of two diesel models of the new GLE SUV which already comply with the coming Euro 6d emissions standard. Delivery of the first vehicles begins in spring of 2019. The OM 656 six-cylinder diesel engine comes with 243 kW (330 hp) and 700 N·m of torque... Read more →

Neste Corporation will invest approximately €1.4 billion to add additional renewable products production capacity in Singapore. The decision is based on a growing global market demand for low-carbon solutions in transport and cities, aviation, polymers and chemicals. Singapore expansion. The investment will extend Neste’s renewable product overall capacity in Singapore... Read more →

Volkswagen has been testing the newly developed R33 BlueDiesel fuel blend at its in-house filling station in Wolfsburg since January 2018. The fuel, jointly developed by Volkswagen, the Coburg University and other project partners, contains up to 33% renewable components based exclusively on residual and waste materials and enables CO2... Read more →

Jeep unveiled the 2020 Jeep Gladiator pickup at the Los Angeles Auto Show. The Gladiator features Command-Trac and Rock-Trac 4x4 systems, third-generation Dana 44 axles, Tru-Lock electric front- and rear-axle lockers, Trac-Lok limited-slip differential, segment-exclusive electronic sway-bar disconnect and 33-inch off-road tires. Gladiator will offer two powertrains: a 3.6-liter Pentastar... Read more →

In Italy, Eni and Hera signed a partnership agreement with the aim of converting used vegetable oil into renewable diesel for Hera’s waste collection vehicles. The agreement revolves around household waste vegetable oil, such as that used for frying, collected by Hera in around 400 roadside containers and about 120... Read more →

The California Air Resources Board adopted a new emissions tracking program that will help regulators identify vehicles with excess smog-related and greenhouse gas emissions. Real Emissions Assessment Logging (REAL) is part of the amendments to the OBD (On-board Diagnostic) Regulations approved by the Board at Thursday’s hearing. OBD systems mainly... Read more →

The NYC Department of Citywide Administrative Services (DCAS) will expand use of renewable diesel fuel, a 99% petroleum-free alternative to traditional diesel fuel. The fuel reduces CO2 emissions by 65% compared to the petroleum-based version. This move is part of the City’s efforts to phase out its use of regular... Read more →

Renewable diesel net supply to California’s fuel market has increased since the state’s Low Carbon Fuel Standard (LCFS) program went into effect in 2011, reaching 100 million gallons during the second quarter of 2018, or 10.1% of the total diesel supplied to California that quarter, according to the US Energy... Read more →

Ecology, a transportation and logistics company in California, has switched its fleet of more than 600 trucks to run on Neste MY Renewable Diesel and is reporting cleaner fuel filters, fewer maintenance problems and reductions in tailpipe emissions. Ecology is one of the largest trucking and transportation companies in the... Read more →