Consumer Reports: Best, worst new cars for fuel economy

The Toyota Prius gets the top fuel economy rating, while the Lamborghini L-147 ranks last on the 2007 U.S. government Fuel Economy Guide.

The Bush administration is reportedly considering raising the fuel standards that are required for vehicles sold across the nation.

Cash for Clunkers may have run out of money, but certainly not gas.

(PhysOrg.com) -- Vehicles on America's roads today get only about three miles more per gallon than vehicles back in 1923, University of Michigan researchers say.

Just like gasoline, diesel fuel has plummeted in price since last summer after reaching almost $5 a gallon. So now that diesel goes for about $2.25, sales of diesel-powered vehicles, which almost always get better mileage ...

(PhysOrg.com) -- One of the more interesting vehicles unveiled at the the Society of Automotive Engineers World Congress in Detroit is an electric Hummer that gets, according to its developer Raser Technologies, ...

Researchers have engineered a strain of electricity-producing bacteria that can grow using hydrogen gas as its sole electron donor and carbon dioxide as its sole source of carbon. Researchers at the University of Massachusetts, ...

Tense engineers have their eyes peeled on complex colour-coded diagrams on a wall-sized screen that makes their control room look like the inside of a spaceship.

Hong Kong saw its first electric taxis hit the streets on Saturday in a step towards reducing the city's high levels of roadside pollution.

Morocco is ploughing ahead with a programme to boost wind energy production, particularly in the southern Tarfaya region, where Africa's largest wind farm is set to open in 2014.

Buildings can be air-conditioned using entirely natural means, without mechanical ventilation systems. This is the claim made by 78-year-old Benjamin Bronsema, who will be awarded his PhD for his thesis on the subject at ...

(Phys.org) —Grant Schmitz, eyes inches from a 6.5-by-12-foot panel of ultra-high performance concrete, studied the smooth surface for tiny cracks. He and other research engineers carefully marked every ...