Latest generation diesels power 36% of US commercial trucks

Thirty-six percent of all commercial diesel trucks on US roads are now powered by the newest generation of diesel technologies (MY 2011 and newer), up from 30% in 2016 and 25.7% in 2015, according to analysis by the Diesel Technology Forum of operation data from 2017 of vehicles (GVW 3-8)... Read more →


Blue Bird first to offer certified ultra-low NOx level for propane school buses; 0.02 g/bhp-hr

Blue Bird is providing the cleanest propane engine available for school buses on the market, with this version being 90% cleaner than the current emissions standard and 10 times cleaner than any non-Blue Bird propane school bus option available today. Blue Bird’s Vision Propane buses now offer an optional ultra-low... Read more →


Southern California Gas Co. (SoCalGas) and Food Express, Inc. (FXI) announced the addition of 11 new ultra-low emission natural gas trucks to the FXI fleet. The company, with the assistance of SoCalGas, applied for and received $1.1 million in grant funding for the new Kenworth T680 trucks (earlier post) which... Read more →


KAUST team investigates methanol-DME blends for compression ignition

Highly fuel-efficient new engine designs could significantly reduce the environmental impact of combustion-engined vehicles, especially if the engines run on renewable non-petroleum-based fuels. Ensuring these unconventional fuels are compatible with next-generation engines was the aim of a new computational study on fuel ignition behavior at KAUST. A paper on their... Read more →


The all-new Cadillac XT4 compact luxury SUV that is coming to China later this month features the all-new General Motors TriPower propulsion system that incorporates multiple innovative technologies, and that is also deployed on the Silverado with a 2.7-liter engine. Based on an optimized single-cylinder architecture design, the XT4’s all-new... Read more →


UK-based ULEMCo (earlier post) has delivered the first hydrogen dual-fuel van to online supermarket Ocado. The vehicle is part of a wider program to evaluate the use of ULEMCo’s cleaner vehicles for the Ocado fleet. Converted from a standard Mercedes Sprinter, the new van will go into immediate service from... 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 →


Developed for hybrid electric vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs), BorgWarner’s innovative Exhaust Heat Recovery System (EHRS) can improve fuel economy by up to 8.5% and reduce emissions significantly. The EHRS enters production later this year for vehicles from a major North American automaker. By using the heat... Read more →


Kia Motors’ upgraded 2018 Kia Sportage (earlier post), the brand’s global best-selling vehicle, offers a 2.0-liter diesel engine now available with Kia’s new eight-speed automatic transmission, and—in certain markets—48-volt mild-hybrid power (earlier post). The Sportage is also available with an all-new 1.6-liter diesel engine, employing the company’s new SmartStream efficiency... Read more →


Findings presented in a new working paper by a team at the International Council on Clean Transportation (ICCT) suggest that the new generation of supersonic aircraft currently in development by three US-based companies (e.g, earlier post) are unlikely to comply with existing international environmental standards for subsonic aircraft. The ICCT... 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 →


Canada awarding $25K to project to develop rail engine capable of running on blends of hydrogen and diesel

Canada’s Minister of Transport, Marc Garneau, announced an investment of $25,000 for a University of Windsor project called “Hydrogen Enabled Low-Emissions and Fuel Efficient Diesel Engine Combustion Technology for Clean Locomotives”. The project will help to develop an experimental diesel engine that is capable of running on blends of hydrogen... 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 →


KAUST develops radically simplified method for accurately simulating fuel combustion; aid to engine design

Researchers at KAUST, with colleagues at Trinity College Dublin, have developed a new conceptual model for describing a fuel’s composition that can accelerate and simplify combustion simulations, ultimately aiding engine design. A paper on the work is published in the journal Combustion and Flame. Rather than try to model fuel... Read more →


DARPA awards additional $2.5M to LiquidPiston for development of 30kW X4 rotary diesel engine prototype The US Defense Advanced Research Projects Agency (DARPA) has awarded LiquidPiston Inc., an advanced internal combustion engine technology company, an additional $2.5 million to continue development of its 30kW X4 rotary diesel engine prototype, bringing... Read more →


Corning Incorporated’s Environmental Technologies business reached a significant production milestone at its Kaiserslautern, Germany manufacturing facility with the production of its 1 millionth Corning DuraTrap GC gasoline particulate filter (GPF) for automotive emissions control. The facility launched an expansion effort in 2016 for production of these ceramic particulate filters, engineered... Read more →


Buick has introduced the new-generation Excelle to its China lineup. It features the brand’s latest styling, a new more efficient powertrain, and a broad range of advanced safety and connectivity technologies. The Buick Excelle has been among the most popular family sedans in China, with nearly 2.7 million sold since... Read more →


Tour Engine, the startup developing novel split-cycle engine technology (earlier post), is working on a 5 kW natural gas unit under Phase II funding from the Advanced Research Projects Agency - Energy (ARPA-E). The additional $2.59 million in funding, awarded earlier this year under ARPA-E’s GENSETS program, follows on Tour’s... Read more →


Rüsselsheim Engineering Center developing next four-cylinder gasoline engine generation for Groupe PSA; optimized for hybrids

The Rüsselsheim Engineering Center will take on the global responsibility for the development of the next-generation of high-efficiency gasoline engines for all Groupe PSA brands (Peugeot, Citroën, DS Automobiles, Opel and Vauxhall). The next generation of four-cylinder engines will be optimized for operation in combination with electric motors and will... 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 →


Volvo Cars and Polestar launch new Polestar Engineered electrified performance offer

Volvo Cars is launching a new upgraded electrified performance offer called Polestar Engineered, specifically developed for its new 60 Series T8 Twin Engine plug-in hybrid cars. The announcement comes one week before the company will reveal its new S60 premium sports sedan at the inauguration of its first US manufacturing... Read more →


Volkswagen’s 1.0 TSI in the new up! GTI1 has been named International Engine of the Year 2018 in its category. The 85 kW / 115 PS gasoline-fired engine is the first of its kind to be combined with a four-way catalytic converter and installed in the up!. It also comes... Read more →


Toyota Motor is introducing a mid-lifecycle model change for the AYGO, its successful A-segment entry in the European market. In 2017, AYGO was amongst the top sellers of the A-segment with more than 85,000 units sold, and a segment share of 6.6%. Launched in 2005 for Europe, the first generation... Read more →


BMW fitting all gasoline and PHEV models in Germany with particulate filters for Euro 6d-TEMP compliance

As of July 2018, all BMW gasoline and plug-in hybrid models available in Germany will be fitted as standard with a gasoline particulate filter (GPF) and thus will comply with the exhaust standard Euro 6d-TEMP. BluePerformance Technology including SCR catalytic converter with AdBlue injection has been a standard feature of... Read more →


Dearman has launched a partnership with UK retail giant Marks & Spencer, as the retailer seeks to reduce carbon dioxide (CO2) emissions from its chilled deliveries. M&S will lease a dual compartment Dearman Hubbard transport refrigeration unit (TRU), on a refrigerated semi-trailer, to be operated out of its Hemel Hempstead... Read more →


Federal-Mogul Powertrain has developed a new piston ring for use in commercial vehicle diesel engines that enhances gas sealing capability by stabilizing ring dynamic motion and homogenizing oil film. The running surface profile of the new eLine rings for use in the second groove has been designed to distribute oil... Read more →


Groupe PSA and Centrale Nantes launch €4M R&D program on digital simulation techniques for powertrain design

Groupe PSA and Ecole Centrale de Nantes have launched of an R&D partnership to optimize powertrain design processes for the group’s future vehicles. The aim of the partnership is to accelerate the use of digital simulation techniques in the design, development and testing of powertrains and increase model predictability. In... Read more →


The 2019 Chevrolet Silverado 1500 pickup truck will be offered with an all-new, technologically advanced 2.7L Turbo. Standard on LT and RST trims, the new engine delivers an SAE-certified 310 horsepower and 348 lb-ft (472 N·m) of torque—22% more torque than the 4.3L V-6 it replaces. Developed specifically for truck... Read more →


The all-new 2019 Chevrolet Silverado 1500 will offer updated versions of the proven 5.3L and 6.2L V-8s with Dynamic Fuel Management (DFM), based on Tula’s Dynamic Skip Fire (DSF) technology. (Earlier post.) This industry-first cylinder deactivation technology enables the engines to operate in 17 different cylinder patterns to optimize power... Read more →


Volvo Cars to eliminate diesel engines from the new S60 sedan

The new Volvo S60 sedan to be launched later this spring will be the first Volvo to be produced without a diesel engine option. The company said that the move highlights its commitment to a long-term future beyond the traditional combustion engine. All new Volvo models launched from 2019 will... 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 →


Six trucking firms operating in the Ports of Los Angeles and Long Beach are deploying trucks powered by Cummins Westport (CWI) near-zero ISX12N engines (earlier post), and fueled with Clean Energy Fuels Corp.’s Redeem brand renewable natural gas (RNG) in an effort to reduce emissions and improve air quality in... Read more →


DOE to award $68.5M for advanced vehicle technologies research

The US Department of Energy (DOE) will award up to $68.5 million for early-stage research of advanced vehicle technologies. (DE-FOA-0001919) This new funding opportunity announcement (FOA) seeks research projects to address priorities in the following areas: batteries and electrification; materials; technology integration and energy efficient mobility systems; energy-efficient commercial off-road... Read more →


Volkswagen showcased three new drive systems at the Vienna Motor Symposium: the new 48 V mild hybrid system that will debut on the eighth-generation Golf in 2019 (earlier post); new high-tech diesel engines that will also be available as hybrid variants; and an advanced natural gas engine. The technologies showcased... Read more →


DOE awards U of Houston-led team $2M to develop new “four-way catalyst” to eliminate unreacted methane in natural gas vehicles; leveraging CDTi Spinel

The US Department of Energy has chosen a team led by a chemical engineer from the University of Houston for a $2-million project to develop and optimize a lower-cost, more efficient catalyst to eliminate unreacted methane in natural gas fuel. Primarily made up of methane, natural gas is a cleaner... Read more →


Opel is introducing a new advanced diesel in the Grandland X compact sport utility vehicle (SUV). The new 1.5-liter, four-cylinder, turbocharged diesel is more powerful and more economical than the engine it replaces. The new powertrain is designed to meet strict future emissions requirements through the use of an innovative... Read more →


Bosch says that its engineers have refined existing diesel technolgoies to reduce emissions of nitrogen oxides (NOx) so significantly that they already comply with future limits. Even in RDE (real driving emissions) testing, emissions from vehicles equipped with the newly premiered Bosch diesel technology are not only significantly below current... Read more →


Norwegian expedition cruise operator Hurtigruten has signed a Letter of Intent with Rolls-Royce for a major environmental upgrade program to hybrid power. The main engines on up to nine cruise ships will switch from diesel to gas power and the upgrade will also include installation of a hybrid battery system.... Read more →


Researchers at Jilin University in China report in a papaer in the journal Fuel that coolant temperature in a gasoline direct-injection (GDI) engine under idle has a critical effect on particulate number (PN) emissions and that optimizing other operating parameters will further reduce PN emissions. PN concentration with coolant temperatures... Read more →


The US Army Research Laboratory’s Center for Unmanned Aircraft Systems Propulsion has, for the first time, used X-rays with its experiment in a gas turbine combustor using X-rays. The data will help advance gas turbine engine designs for higher power density and efficiency, scientists said. Dr. Tonghun Lee, an associate... Read more →


Researchers at Jilin University (China) have investigated the effect of gasoline components on fuel economy, combustion and emissions in a GDI (gasoline-direct-injection) engine. The team subsequently followed up this first study with a second, exploring the effects in a PFI (port-fuel-injection) engine. The first paper (Han et al., 2018a) is... Read more →


Tenneco, one of the world’s leading designers, manufacturers and distributors of Ride Performance and Clean Air products and technology solutions for diversified markets, signed a definitive agreement to acquire Federal-Mogul, a leading global supplier to OEMs and the aftermarket. Tenneco is acquiring Federal-Mogul from Icahn Enterprises L.P. for a total... Read more →


Ford has unveiled the all-new Ford Focus. The new Focus features a broad suite of Ford advanced driver assistance technologies and advanced EcoBoost gasoline and EcoBlue diesel engines offering a 10% fuel-efficiency improvement across the range. Powertrains are supported by standard Auto Start-Stop for reduced running costs and a six-speed... Read more →


Big Blue Bus investing $18.2M to upgrade bus fleet; Cummins-Westport Near-Zero NOx engines

Big Blue Bus (BBB), a bus operator serving Santa Monica and the Los Angeles area, will invest $18.3 million in Federal Transit Administration (FTA) and California Proposition 1B Bond funds to replace fifty 40-foot New Flyer buses purchased between 2004 and 2006. Seven 30-foot Gillig buses are being placed in... Read more →


Global Bioenergies beginning road testing with Audi A4 fueled with 34% renewable gasoline blends

Global Bioenergies is beginning the road-testing phase of renewable gasoline derived from its fermentative isobutene pathway. (Earlier post.) Global Bioenergies will use an EN228-compliant gasoline blend containing more than 34% of renewable, isobutene-derived, compounds to fuel a car on a circuit. In preparation for commercial uses, Global Bioenergies developed several... Read more →


DOE awards $1.2M to Colorado State Energy Institute team to study ultra-low emissions, high-efficiency natural gas engines

A team of researchers from Colorado State University’s Energy Institute has received a $1.2-million grant from the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy to look at making natural gas engines as efficient as diesel engines in the same class. (Earlier post.) Specifically, the researchers will... Read more →


At the New York International Auto Show, Nissan revealed the 2019 Altima. The sixth-generation of the best-selling mid-size sedan features two new powerplants, including the advanced variable compression unit first introduced in the Infinit QX50 (earlier post); the first available Intelligent All-Wheel Drive in a Nissan sedan in the US;... Read more →


Renesas introduces 1st on-chip flash memory automotive microcontroller with advanced 28nm embedded flash technology

Renesas Electronics Corporation announced the sample shipment of the industry’s first on-chip flash memory microcontroller (MCU) using a 28 nanometer (nm) process technology. To contribute to the realization of next-generation green cars and autonomous vehicles with higher efficiency and higher reliability, the RH850/E2x Series MCU incorporates up to six 400... Read more →


At the New York International Auto Show this week, Toyota will stage the premiere of the new 2019 Corolla Hatchback. The all-new TNGA-based powertrain features the 2.0-liter Dynamic-Force direct-injection inline four-cylinder engine (M20A-FKS) (earlier post) with gains in power, fuel efficiency, and cleaner emissions. Physically, the engine is smaller and... Read more →