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

Audi A3 1.6TDI announced

The Audi A3 1.6TDI - one of a range of A3s featuring the new 1.6 litre diesel from Audi Audi has announced that they are introducing a new 1.6 litre common rail diesel engine across the A3 range, which will oust the old A3 1.9TDIe and the A3 and Cabriolet 1.9 TDI. The new engine offers the same 104bhp as the old 1.9 litre unit, but manages to improve economy by over 8% to 68.9mpg and cuts CO2 to 109g/km. The new A3 gets stop-start and energy regeneration to achieve the same performance and power from the smaller engine.

Winners and Losers: Porsche sales pop in April

Porsche sales spiked 82 percent in April and are up 46 percent for the year, parking the luxury automaker among the top five winners so far for 2011. The redesigned Cayenne made the biggest contribution, with sales up an eye-popping 384 percent from last April and 141 percent for this year. Porsche counted 1,578 copies of the Cayenne sold in April, versus 326 the year before.

For new CAFE rules, automakers place high-stakes tech bets

Game-changing 2015 fuel economy rules are forcing vehicle development teams to make high-stakes bets on expensive technologies--bets that will separate the winners from the also-rans. Not only do federal rules target a 2015 fleet average of 35.5 mpg, up from the current 27.5 mpg for cars and 23.1 mpg for light trucks; they force automakers to bet on different technology packages for each vehicle segment. Companies that do best at mixing technologies while keeping down costs will have an advantage when buyers wince at higher stickers.