Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

U.S. seeks 5 percent annual fuel-economy gains through 2016

The Obama administration today proposed gasoline mileage and greenhouse-gas pollution standards for new vehicles for model years 2012 to 2015, filling in the blanks for manufacturers en route to a 35.5 mpg national target in 2016. The Transportation Department and EPA proposal calls for fuel economy to increase by about 5 percent each year, starting from an average of 27.3 mpg for the 2011 model year, the agencies said in a statement. The average car buyer would save more than $3,000 in fuel costs over the life of a vehicle, the statement said.

Shelby 1000 Photoshop job sparks controversy on the Internet

As just about everyone else did, we ran the now-infamous Shelby 1000 wheel-lift photo on Tuesday. Shelby American's public-relations operatives have confirmed that the photo was digitally altered, and it has been removed from our site. We apologize for letting our enthusiasm for mind-blowing automotive feats of strength get the better of us.

Toyota Aygo gets new engine technology to make it more economical

The new Toyota Aygo (pictured) gets new engine tech The new Toyota Aygo has only just arrived as Toyota’s part of the city car triumvirate which includes the new Citroen C1 and new Peugeot 108, but its already set to get improvements. Toyota have been playing with the little 1.0 litre three-cylinder that lurks under the bonnet of the majority of Aygos, and have managed to do some serious tweaking. The tweaks include a higher compression ratio of 11.5:1, a cooled exhaust gas recirculation system, changes to the timing, better combustion, less friction and lower weight.