Peterbilt's SuperTruck is 54% More Fuel-Efficient

Peterbilt’s SuperTruck Program Makes Trucks More Fuel Efficient

While some two million registered tractor-trailers on the road today average just 6mpg, Peterbilt's SuperTruck program is developing more efficient trucks for the future. Cargo...
Audi 3.0ℓ TDI's Variable Vane Turbocharger Makes for a +30% Green Car

2014 Green Car Technology Award Nominee – Audi 3.0L TDI Diesel Engine

In just about a month, Green Car Journal, at the 2014 Washington Auto Show, will present the winner of the 2014 Green Car Technology...
KSU Patent Improves Emissions and Fuel Economy for Larger Engines

“Active Air Control” Improves Emissions and Fuel Economy in Larger Engines

An internal combustion engine (ICE) is essentially an air pump. The more efficient the air flows through the air pump (ICE), the better power...

Fiat's MultiAir Engine Technology Applied to Future Chrysler Models

The Italian car manufacturer Fiat has acquired Chrysler and now remakes its name through much more efficient engines they had already applied in Europe for some time. For example, Chrysler will adopt Fiat's MultiAir engine, which can get their fleet to acquire an average of 35.5 mpg by 2016, thus obeying federal standards in force.

Mazda Adding Start/Stop Technology to All Their Cars by 2015: EPA Opposes

Idling your car at a stoplight is always damaging your plans of saving fuel and the air quality. I know someone who lives close to a stoplight and he says the air is much more polluted there than in other areas.

Startup Elio Motors to Buy GM Plant for Building 60 mpg Car

Elio Motors in Shreveport, Louisiana wants to by a former General Motors plant in order to manufacture and sell their low-cost, high MPH car. One...

New Engine Prototype That Mixes Gasoline and Diesel Gets 55 Percent Efficient

Researchers from the University of Wisconsin-Madison have recently unveiled a concept engine that can be from 20 to 30 percent more fuel-efficient than classic models. It would also be substantially cheaper to produce, since the emissions are lower than those of conventional engines and expensive catalyst units are not needed any longer (in some cases, their price can reach that of the engine's).
Volkswagen XL1 Diesel Hybrid Electric Vehicle >261mpg

Volkswagen XL1 Hybrid Electric Vehicle gets 261MPG with Supercar Roots

The XL1 owes its unspeakably awesome fuel economy to the generous application of supercar technology. Question: How do you make the most of the engine...
The Mazda RX-7 Wankel Rotary Engine, Dropped for Emissions Compliance, Could be Back in Five Years

A More Efficient Mazda Rotary Engine Could be Back in Five Years

The Wankel Rotary Engine, of unique design and origins, is the only mass-produced engine to have been conceived in the 20th century, while piston-crankshaft...
Ford 1.6ℓ EcoBoost - Not All It's Cracked Up To Be

Turbocharged Engines Have Low MPG Performance – Consumer Reports

Marketing and reality may often be two very different things, thus the ubiquitous “Your mileage may vary.” when it comes to automobile performance, handling,...