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

Auction of Jay Leno tractor to benefit veterans

Bidders at the Barrett-Jackson auction in Scottsdale, Ariz., this week have a chance to buy a vehicle being retired from entertainer Jay Leno's garage and support a charity that serves military families. The vehicle is a New Holland Boomer tractor. For the past five years, the staff at Leno's garage has used the "Lil Tug" to move the TV host's large collection of classic and unique cars around the facility.

Kia future products: New engines power redesigned models

Cars will be the focus of Kia's attention in the next year as the fast-growing Korean automaker brings fresh styling and new engine technology to its lineup. The redesigned Rio subcompact that debuted at the New York auto show in April goes on sale in the fourth quarter. The Cadenza, a large upscale sedan that will be Kia's flagship, will be launched next spring.

The Porsche P1 is lighter, greener and more exclusive than McLaren's new hypercar

Long before the legendary Porsche 911 -- before, even, the Porsche 356 -- Ferdinand Porsche was tinkering with alternative powertrains and designing road-worthy vehicles. Though it wasn't the first vehicle to bear his name, the “Egger-Lohner electric vehicle, C.2 Phaeton model” was the earliest result of his efforts. Perhaps getting the jump on the modern alpha-numeric craze/plague, it was shortened to a simple “P1.” The P1 (we'll refer to it as the Porsche P1 from here on out to avoid confusion) made its first appearance in Vienna on June 26, 1898, and it didn't last long in the public eye: Before Porsche decided to pull it out and put it on display, it had reportedly been sitting in a warehouse, untouched, since 1902.