On 31 March, the US Environmental Protection Agency (EPA) and the National Highway Traffic Safety Administration (NHTSA) released the final rule for The Safer Affordable Fuel-Efficient (SAFE) Vehicles for Model Years 2021-2026. The final rule requires a 1.5% year-over-year increase in fuel efficiency and reduction in GHG emissions standards, which... Read more →

The US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) and the US Environmental Protection Agency (EPA) released the final Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule setting corporate average fuel economy (CAFE) and CO2 emissions standards for model years 2021-2026 passenger cars and light trucks. These final rules follow... Read more →

For the past four years, the Co-Optimization of Fuels & Engines (Co-Optima) National Laboratory consortium has focused research efforts primarily on turbocharged (boosted) spark-ignition (SI) engines for light-duty vehicles. This research involves identifying the fuel properties and engine parameters that mitigate knock and emissions, while maximizing boosted SI efficiency and... Read more →

Brought to the US market for the first time in the 2020 Audi S6 and S7, Audi’s Electric-Powered Compressor (EPC) comes paired to the 2.9-liter, twin-turbocharged TFSI V6 engine. It consists of an electric motor with a small turbine that helps quickly build turbo boost pressure, sharpening throttle response and... Read more →

Hyundai officially launched its all-new 2021 Elantra and Elantra Hybrid in West Hollywood, CA. The 2021 Elantra showcases Hyundai’s latest ambitions, including a Sensuous Sportiness design identity, hybrid-electric vehicle technology, and segment-first wireless Android Auto and Apple CarPlay connectivity. Production of the 2021 Elantra starts in the fall in Ulsan,... Read more →

The technology group Wärtsilä, together with a consortium of six other industry and academic partners, has been awarded EU funding for a major project aimed at reducing fuel consumption and lowering emission levels for shipping. The SeaTech project consortium has been formed to develop two symbiotic ship engine and propulsion... Read more →

In addition to the European car market recording tepid growth in 2019, CO2 emissions have continued to increase, despite new regulation designed to curtail this, according to JATO Dynamics. Last year, the volume-weighted average CO2 emissions for European markets were at their highest recorded levels since 2014. According to data... Read more →

In the US, Model Year (MY) 2018 vehicle fuel economy was 25.1 miles per gallon, 0.8% higher than the 24.9 miles per gallon MY 2017, according to the annual Automotive Trends Report released by the US Environmental Protection Agency (EPA). In model year 2018, the average estimated real-world CO2 emission... Read more →

SuperTurbo Technologies Inc. (formerly VanDyne SuperTurbo) has appointed Ricardo Performance Products to support the first phase of commercial industrialization of the SuperTurbo system—a novel planetary traction drive that enables high speed power transfer to and from a turbocharger shaft, offering significant driveability and fuel efficiency benefits for large trucks. The... Read more →

Approximately 6 billion gallons of fuel are wasted in the US each year as vehicles wait at stop lights or sit in dense traffic with engines idling, according to US Department of Energy estimates. The least efficient of these vehicles are the large, heavy trucks used for hauling goods—they burn... Read more →

The new BMW Aerodynamic Wheel is making its debut together with the BMW iX3, the market launch of which is planned for this year. The new combination of aluminum base wheel and individually designed inserts complements the efficient basic alignment of the BMW Group’s first purely electric Sport Activity Vehicle... Read more →

Consumer Reports sent letters and a consumer petition to the leaders of General Motors, Toyota, Fiat Chrysler, Nissan, Subaru, Mazda, Hyundai, Kia, and Mitsubishi, calling on the companies to drop their legal attack against America’s Clean Air Act, and instead support Clean Car standards that help drivers save money on... Read more →

SEAT, a Volkswagen Group company, has expanded the number of supply routes for the transport of components using duo trailers and giga trailers, the two longest types of trucks with the greatest capacity travelling on European roads. The Spanish company currently has two duo trailer routes that link the Martorell... Read more →

From the 2010 model year through to September 2019, 14.6% of new vehicle sales in the United States have been pickup trucks, according to JATO Dynamics. From a 13.1% market share in 2010, pickups have grown to claim a 16.8% market share in 2019. Source: JATO Dynamics In contrast, pickups... Read more →

Researchers at the U.S. Department of Energy’s (DOE) Princeton Plasma Physics Laboratory (PPPL) have received a patent from the US Patent and Trademark Office for a novel design that could increase the efficiency and reduce toxic emissions from gasoline-fueled internal combustion engines. The theoretical design lays out methods for rapidly... Read more →

The estimated annual fuel costs for model year (MY) 2019 all-electric light-duty vehicles are the lowest of all the different vehicle technologies, ranging from a low of $500 to a high of $900 per year, according to the US Department of Energy (DOE). The annual fuel costs for plug-in hybrid-electric... Read more →

At the Los Angeles Auto Show, Toyota introduced its new plug-in hybrid (PHEV) RAV4 performance model with an estimated 302-horsepower, advanced all-wheel drive, sport-tuned suspension and exclusive design features. In addition to an ability to do 0-60 mph in a projected 5.8 seconds—the second quickest acceleration time in the Toyota... Read more →

On Friday, the California Department of General Services (DGS) that, effective immediately, it is prohibiting purchasing by state agencies of any sedans solely powered by an internal combustion engine, with exemptions for certain public safety vehicles. A second policy, currently being developed by DGS, will require state agencies, starting on... Read more →

China-based Kolbenschmidt Huayu Piston Co. Ltd. (KSHP) (belonging to Rheinmetall Automotive AG) has received an order from one of the world’s biggest car producers with a lifetime volume totaling more than €200 million for modern lightweight pistons for gasoline engines with ring carrier and coolant gallery technology. Lightweight gasoline piston... Read more →

A study by Gentherm, a developer of innovative thermal management technologies, and General Motors has shown that Gentherm’s ClimateSense microclimate thermal comfort system significantly increases driving range and energy savings in electric vehicles. The results of the study were presented during the SAE Thermal Management Systems Symposium last week in... Read more →

Dutch start-up ECONAMIQ is developing a novel engine technology which saves up to 20% in fuel consumption. The “ECONAMIQ principle” uses flexible over-expansion in combination with cylinder deactivation technology to increase performance and efficiency without significantly changing the engine layout or architecture. By over-expanding into adjacent de-activated cylinders, ECONAMIQ creates... Read more →

A team from the University of Palermo and ICAR has developed an electric kinetic energy recovery system (e-KERS) for internal combustion engine vehicle (ICEVs) based on the use of a supercapacitor as energy storage, interfaced to a brushless machine through a power converter. In a paper in the Journal of... Read more →

Norsepower Oy Ltd., together with project partners Maersk Tankers, Energy Technologies Institute (ETI) and Shell International Trading and Shipping Company Ltd., announced successful trial results of two Norsepower Rotor Sails onboard the Maersk Tankers product tanker, Maersk Pelican. The Rotor Sails are large, cylindrical mechanical sails that spin to create... Read more →

Eaton says it has shown in regulatory test cycles and real-world use that its cylinder-deactivation (CDA) technology can play a key role in helping commercial vehicle manufacturers meet or exceed 2024 and 2027 US emissions regulations. The company will make the announcement at the North American Commercial Vehicle show (NACV)... Read more →

In Japan, Toyota Motor Corporation (Toyota) unveiled the new model Yaris. Scheduled to go on sale in Japan starting in mid-February 2020, the new Yaris will be exhibited at VenusFort in Odaiba, Tokyo during the Tokyo Motor Show 2019. The new Yaris will also be displayed in showrooms throughout Japan... Read more →

Modern piston assemblies are subject to high demands in terms of both loading and lifetime; in addition, there is the environment-friendly demand for low engine emissions. KS Kolbenschmidt has developed its LITEKS concept for particularly low-friction piston systems installed in highly loaded gasoline engines. The supplier is now introducing its... Read more →

A new Co-Optimization of Fuels & Engines (Co-Optima) report describes the top ten biofuel-derived blendstock candidates. These top candidates, when blended with petroleum and used in a boosted spark ignition (BSI) engine, will offer environmental benefits and boost energy efficiency all while being available at a competitive price. One of... Read more →

Thirty-seven globally prominent scientists representing the International Journal of Engine Research have published an open-access editorial addressing the future of the Internal Combustion Engine, and stressing the importance for continued development of more efficient and even lower-emitting technologies. The article provides an assessment of the state of power generation in... Read more →

Ram Truck announced EPA fuel economy ratings for the 2020 Ram 1500 powered by the new 3.0-liter V-6 EcoDiesel engine. The half-ton EcoDiesel will be rated at 32 miles per gallon (mpg) highway, 22 mpg city for 4x2 models; 29 mpg highway, 21 mpg city for 4x4 models. Ram 1500’s... Read more →

New York City Comptroller Scott M. Stringer and a coalition of 25 major investors with $1.1 trillion in collective assets under management called on General Motors (GM) to join other OEMs in the compromise agreement with California and other states on clean vehicle standards. In a letter sent to GM’s... Read more →

The rebooted Aptera Motors has teamed with Elaphe Propulsion Technologies on a long-range, volume production electric vehicle powered by in-wheel motors. Aptera, initially known as Accelerated Composites, formed in 2005 to bring highly efficient, three-wheeled vehicles to the market (earlier post), went out of business in 2011. Now resurrected, with... Read more →

Audi Sport GmbH has fine-tuned many details of the RS 4 Avant which was newly introduced in September 2017, including the addition of a new high-torque twin-turbo V6 with a power output of 331 kW (450 metric hp) and 600 N·m (442.5 lb-ft) of torque to the crankshaft in a... Read more →

by Michael Sivak. This is the latest of my occasional updates on retrospective, long-term trends in U.S. vehicle fuel economy. Specifically, this study examines actual fuel economy of cars and light trucks (pickup trucks, SUVs, and vans) from 1966 through 2017. Calculated vehicle fuel economy is available going back to... Read more →

The US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) and the US Environmental Protection Agency (EPA) issued a final action entitled the “One National Program Rule,” which will enable the federal government to provide nationwide uniform fuel economy and greenhouse gas emission standards for automobiles and light duty... Read more →

In a speech on Tuesday at the National Automobile Dealers Association meeting in Washington, US Environmental Protection Agency (EPA) Administrator Andrew Wheeler outlined the Trump Administration’s thinking on national fuel economy standards and California. Wheeler said that the Administration will begin taking steps in the very near future to establish... Read more →

Researchers at Argonne National Laboratory are developing a deep learning framework—MaLTESE (Machine Learning Tool for Engine Simulations and Experiments)—to meet ever-increasing demands to deliver better engine performance, fuel economy and reduced emissions. The MaLTESE effort is a great example of how Argonne supercomputing resources enable researchers to combine large-scale simulations... Read more →

Delphi Technologies, a global provider of propulsion technologies, is pairing vehicle electrification advances with existing and emerging automated and connected vehicle systems to boost fuel economy, lower emissions, and extend driving range. Initial testing of what it calls “Intelligent Driving” has demonstrated a greater than 10% reduction in CO2 compared... Read more →

Garrett Motion Inc., a leading differentiated technology provider in the automotive industry, has developed a new turbocharger boost control software that can significantly enhance turbo performance and health and help unlock optimized energy management in hybrid vehicles. Electrifying a turbocharger removes the constraint of needing a small turbine with excellent... Read more →

Researchers at Oak Ridge National Laboratory have shown that a certain class of ionic liquids (ILs), when mixed with commercially available oils, can make gears run more efficiently with less noise and better durability. Results were published in ACS Applied Materials & Interfaces. Oil-soluble ionic liquids (ILs) have recently been... Read more →

Toyota is preparing to apply the philosophy and technology of the Toyota New Global Architecture (TNGA) to elevate the design and driving performance of its small cars with the debut of the GA-B platform. The first TNGA platform—the GA-C platform for mid-sized cars—is the foundation for advances in the driving... Read more →

Transient Plasma Systems Inc. (TPS), which develops nanosecond pulsed plasma ignition systems to improve fuel efficiency and reduce greenhouse gas emissions, has achieved a new milestone in its internal combustion engine testing with its first multi-cylinder demonstration of the company’s nanosecond pulsed plasma ignition technology in a mass-manufactured, on-road natural-gas... Read more →

Researchers at Empa have developed an electrohydraulically actuated cam-less valve train that enables completely free adjustment of stroke and timing, while at the same time being robust and cost-effective. The new technology saves up to 20% fuel in typical passenger car low load operating conditions. The FlexWork valve train was... Read more →

Purdue University researchers are developing pre-chamber technology for automobiles to replace conventional spark plugs and enable more reliable ultra-lean combustion. In the pre-chamber approach, a tiny chamber—a pre-chamber—is filled with a mixture of fuel and air. The mixture ignites, producing combustion, and specialized nozzles in the bottom of the chamber... Read more →

As the Trump administration prepares to freeze emission standards for light-duty cars and trucks, a consortium of four automakers—Ford, Honda, BMW of North America and Volkswagen Group of America—and California have agreed on a voluntary framework to reduce emissions that could serve as an alternative path forward for clean vehicle... Read more →

The 2020 Hyundai Accent features a new Smartstream G1.6 Dual Port Injection (DPI) engine and a Smartstream Intelligent Variable Transmission (IVT). These changes increase Accent’s EPA estimated fuel economy to 33 mpg city, 41 highway, 36 combined, up considerably from the 28 city, 38 highway, 32 combined mpg rating with... Read more →

Automated control of cars may enable drivers to achieve more fuel savings than if they were completely in charge, according to a new study conducted by the US Department of Energy’s National Renewable Energy Laboratory (NREL) and Volvo Cars. The study findings are detailed in a paper in the IEEE... Read more →

Volkswagen has developed a new generation manual gearbox; the MQ281 saves up to five grams of CO2 per kilometer depending on the engine-gearbox combination. The new Passat is the first vehicle to be equipped with the MQ281, followed by almost all vehicle classes of the brands Audi, SEAT, ŠKODA and... Read more →

Brunel University London is the first to begin researching future powertrain concepts using Camcon Automotive’s new Single Cylinder Intelligent Valve Technology (SCI). The system uses the company’s Intelligent Valve Technology (iVT) and is intended to speed up OEM and Tier 1 engine development significantly, helping meet upcoming emissions regulations while... Read more →

Hyundai Motor Group has developed the first Continuously Variable Valve Duration (CVVD) technology to feature in future Hyundai and Kia vehicles. The innovation was revealed at Hyundai Motorstudio Goyang on Wednesday alongside the Smartstream G1.6 T-GDi—the first engine to feature the technology. CVVD optimizes both engine performance and fuel efficiency... Read more →

According to provisional data published by the European Environment Agency (EEA), the average CO2 emissions from new passenger cars registered in the European Union (EU) in 2018 increased for the second consecutive year, reaching 120.4 grams of CO2 per kilometer. For the first time, the average CO2 emissions from new... Read more →