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

Renault Twizy Sport F1 concept

The Renault Twizy Sport F1 concept has been unveiled at Renault's plant in Vallalodid, Spain. A collaboration between both Renault Sport F1 and Renault Sport Technologies, the concept sits on the wheels of a single-seater racecar and features a front splitter, side-pods, a rear wing and a diffuser with an F1-style rain light. When looking at the concept, which measures in at 2,600mm long, 1,490mm wide and 1,450mm high, the tires are one of the first things you see, and are the same as those fitted to the Formula Renault 2.0 single-seater.

Caterham Superlight R600 debuts for 2013 race series

Filed under: “Too cool for the United States.” Caterham launched the fastest Seven in company history for its exclusive race series, the Superlight R600 Championship. The latest Seven is powered by a supercharged 2-liter Ford Duratec engine that churns out 275 hp and 200 lb-ft of torque. That power is sent to the rear wheels via a six-speed sequential gearbox and a Titan limited-slip differential.

2015 Prius said to have even better fuel economy

The next Toyota Prius will get “significantly better fuel economy in a more compact package that is lighter weight and lower cost,” according to Satoshi Ogiso, the Prius program's chief engineer. Ogiso, who is also Toyota Motor Corp.'s managing officer, said the next-gen Prius' performance will reflect “significant advances” in battery, electric-motor and gas-engine technologies. He said Toyota is looking at improving miles per gallon to 55, compared with today's 50 mpg and that the next-generation Prius electric motors will be smaller and more powerful; in addition, its gasoline engine will be among the world's most efficient.