Ferrari and McLaren unveil hybrid supercars

Hybrids aren't just for fuel economy any more. Ferrari and McLaren both on Tuesday unveiled sleek hybrid supercars sculpted from carbon fiber at the Geneva Motor Show.

Fuel economy up, but consumption up even more

(Phys.org) —Although vehicle fuel economy has improved 40 percent since 1970, the total amount of fuel used has increased by more than half, says a University of Michigan researcher.

US scientists report big jump in heat-trapping CO2 (Update)

The amount of heat-trapping carbon dioxide in the air jumped dramatically in 2012, making it very unlikely that global warming can be limited to another 2 degrees (1.2 C) as many global leaders have hoped, new federal figures ...

Volkswagen will debut XL1 hybrid at March auto show

(Phys.org)—Volkswagen will debut its XL1 two-seater, plug-in hybrid at the Geneva Auto Show in March. Publicity and blog previews are pointing to the car's considerable design and technical features. The company views its ...

Changing the way we fly

An airplane roaring down the runway and into the air is a familiar sight to most travellers today. In fact, this image has not changed much in 50 years. While significant advances have been made in terms of fuel economy, ...

Fuel economy now at all-time high

Fuel economy of new vehicles sold in the United States reached a record-high 24.5 mpg last month, say researchers at the University of Michigan Transportation Research Institute.

Peugeot unveils petrol hybrid using compressed air

French carmaker PSA Peugeot Citroen unveiled Tuesday a petrol hybrid engine that stores energy using compressed air which it hopes will be a game-changing technology to improve energy efficiency.

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