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

Citroën Cactus concept

Citroën has revealed its new Cactus concept, designed to preview the future of the carmaker's C-line. The Cactus concept is the result of a program that began with the debut of the C-Cactus concept at the 2007 Frankfurt motor show. The C-Cactus was designed to find out what motorists expect from cars and which equipment and features are considered the most important.

This could be your first autonomous vehicle

While Google's autonomous fleet of robot cars prowls Silicon Valley and gets all the press, the first, or one of the first, truly autonomous vehicles you may ride in could be something like this: The humble, people-moving Navia. Developed by a French company called Induct, the Navia is ringed with laser beams (not frickin' laser beams. Ed.) that help it navigate through city streets or college campuses without the aid of a track in the ground, a rail or even GPS (GPS is not accurate enough, Induct says).

Japan quake threatens to delay U.S. output of Nissan Leaf EV

The March 11 earthquake in Japan could force Nissan to delay the start of U.S. production of its Leaf electric vehicle, now scheduled for late 2012. “The earthquake is putting us in a very difficult situation,” said Hideaki Watanabe, head of Nissan's Global Zero Emission Vehicle Business Unit.