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PNNL team develops onboard fuel separation technology to enable octane-on-demand for improved fuel economy

Green Car Congress

Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fuel economy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. Unfortunately, these engines exacerbate engine knock.

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NHTSA to propose new fuel economy standards soon; 8% increase per year for MY 2024-2026

Green Car Congress

The US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) announced that it will soon propose robust new fuel economy standards. NHTSA’s proposal comes as the automobile industry is retooling future models in response to market demand for cleaner, more fuel-efficient vehicles.

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Review: 2025 Honda Civic Hybrid achieves Prius-like fuel economy

Baua Electric

Here’s what you need to know after Green Car Reports spent a morning driving a 2025 Honda Civic Hybrid prototype around Montreal. One of the electric motors is for propulsion and always connected to the wheels, and it’s connected to the gas engine via a clutch, while the other is connected to the engine primarily as a generator.

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Qoros Auto unveils drivable engineering development car with QamFree engine; near +50% boost in power & torque, -15% fuel consumption

Green Car Congress

At the 2016 Guangzhou Auto Show, Qoros Auto introduced the first drivable engineering development car—a modified Qoros 3 hatchback—equipped with the QamFree engine featuring FreeValve’s Pneumatic-Hydraulic-Electric-Actuator (PHEA) technology. The engine on show at Guangzhou is a 1.6-liter

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Mazda unveils new Mazda3; first production car to offer Skyactiv-X SPCCI engine with M Hybrid system

Green Car Congress

The all-new Mazda3 will be on display at the Los Angeles Auto Show. The powertrain lineup comprises the latest Skyactiv-X (Mazda’s Spark Controlled Compression Ignition (SPCCI) engine, earlier post ), Skyactiv-G and Skyactiv-D engines, each of which provides responsive speed control in any driving situation. The Skyactiv-D 1.8

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2015 Ford F-150 offers highest EPA-estimated fuel economy among full-size gasoline-powered pickups

Green Car Congress

liter EcoBoost engine has EPA-estimated ratings of 19 mpg city, 26 mpg highway and 22 mpg combined (12.4, l/100 km, respectively)—the highest EPA-estimated fuel economy ratings of any gasoline-powered full-size pickup sold in America. Ford offers new F-150 customers four engine choices: the available 2.7-liter

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Increased sales of larger vehicles in June lowered average new car fuel economy from May; increase in fuel economy year-on-year

Green Car Congress

Average small car TrueMPG June 2010 v. TrueCar.com provided actual fuel economy numbers from June US light vehicle auto sales that indicate “TrueMPG” will increase to 21.6 TrueCar utilizes EPA’s average fuel economy rating using 45% highway and 55% city driving behavior. Data: TrueMPG.