US cars and trucks hit record gas mileage in 2012

New cars and trucks sold in the U.S. last year got an average of 23.6 miles per gallon (10 liters per 100 kilometers) in combined city and highway driving, a record that came mainly through improvements to engines and transmissions, ...

GM says Chevy Spark EV can go 82 miles per charge

General Motors said Wednesday that the battery-powered version of its Chevrolet Spark mini-car can travel up to 82 miles (132 kilometers) on a single charge, putting it among the leaders in mass-market electric vehicles sold ...

A notch above: Automakers manipulate fuel economy

(PhysOrg.com) -- With the recent announcement that the U.S. government will propose new fuel economy standards this fall, a University of Michigan study shows that automakers fine-tune vehicle fuel economy to qualify for ...

Model allows engineers to test fuel system efficiency on computers

(Phys.org) —Engineers will be able to design better fuel systems for everything from motorcycles to rockets faster and more inexpensively because of a mathematical fuels model developed at The University of Alabama in Huntsville.

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