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

New CAFE proposal would add $5,000 to sticker price, dealer group says

An Obama administration proposal to nearly double today's fuel economy standards could end up tacking on $5,000 to the sticker price of a new vehicle, a top official with the National Automobile Dealers Association said Tuesday. The proposal, which seeks to raise the corporate average fuel economy to 54.5 mpg by the 2025 model year, would force automakers to adopt costly fuel-saving technologies that could eventually price some buyers out of the new-car market, said Don Chalmers, chairman of NADA's government relations committee. NADA, a dealer trade association, represents 16,000 new-vehicle dealers who operate 32,500 franchises.

More Power! Get the details on the potent Porsche 911 GT3 RS 4.0

Porsche has ramped up the already heady performance of the 911 GT3 RS through the adoption of a new, naturally aspirated 4.0-liter version of the company's sturdy, horizontally opposed flat six-cylinder engine. The unit kicks out 50 hp more than the 3.8-liter six-cylinder used in the existing 911 GT3 RS. This mill claims 500 hp at 8,250 rpm, a figure which makes the speedster the most powerful naturally aspirated road-going version of the 911 ever.

Jaguar F-Type with Black Pack is Firesand Orange: LA Auto Show

The Jaguar F-Type has had its North American debut at the Los Angles Auto Show complete with Black Pack and Design Pack and Firesand paintwork. But rather than roll out the standard models we’ve seen so far – the V6, V6 S and V8 S – Jaguar decided it ought to gild the lily a bit by rolling out an F-Type with a chunk of options bolted in so the Americans could see just how they could customise their own F-Type. Perhaps the most striking part of the F-Type in L.A.