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

Parts of O'Quinn car collection to be sold at RM auctions in March

Batches of cars from the extensive collection of Texas attorney John O’Quinn--one of the most impressive collections of classic sheetmetal since William Harrah’s--will cross the auction block this spring at a pair of RM Auction events. O’Quinn, a noted attorney who died in a car crash last October, assembled a collection of at least 800 cars, and it could number as many as 1,300. Fifty-five cars from the collection will be sold at the RM auction on March 13 at Amelia Island, Fla.

Is this the new Mazda RX-7?

Word on the street has Mazda resurrecting the Mazda RX-7, this time as an agile, lightweight, two-seat coupe with a next-gen 250-hp rotary engine. The company penciled in a 2015-16 launch date. The price will hover around $30,000—cheaper than a Porsche Cayman, more expensive than a Scion FR-S/Subaru BRZ.

Mercedes S500 Plug-in Hybrid revealed – gets official 94.2mpg

The Mercedes S500 Plug-in Hybrid (pictured) has been revealed There will come a point when legislators wake up and realise that car makers are getting too clever at gaming their CO2 based taxation and change the goal posts. But until then, cars like the new Mercedes S500 Plug in Hybrid – revealed today – are the perfect company buy. That’s because the clever use of a plug-in electric motor coupled with a relatively frugal ICE engine – in the case of the S500 Plug-in a 329bhp 3.0 litre V6 and 80kW electric motor – produce official economy and emissions figures that are really only valid under test conditions but save a big chunk of tax for buyers.