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

Bonhams' Greenwich auction will show Italian rarities

The biggest star of Bonhams' seventh annual Greenwich auction will be the 1975 Lamborghini Countach LP400 Periscopica shown above, a pristine early example of the legendary wedge with a single owner and less than 10,500 miles -- its roof carried a groove cut into the sheetmetal that allowed light to hit the rearview mirror, providing a still-laughable semblance of rearward visibility. Of course, the door is always preferable. Just 158 LP400 Countachs were ever produced, before the firm moved on in 1978 to the outrageously styled LP400S.

Autoweek in review: What you might have missed

At the start of the week, Kia announced that it will launch a rear-wheel-drive sedan code-named the KH in the first half of 2012. U.S.-based press officials wouldn't comment on whether the KH would come stateside, despite a 36 percent increase in U.S. Kia sales in 2011.

Tesla increases Roadster production

By Nick Eaton Motor Industry 11 September 2008 11:30 Tesla Motors is about to ramp up production of its Roadster, having secured supply of a new single-speed gearbox from BorgWarner. Tesla began producing the Roadster in March 2008, but all 27 cars so far delivered to customers have effectively been interim models because the original two-speed ‘box was deemed too fragile for long-term use. The original thinking was that the Roadster would require two gears to achieve the best possible acceleration, and on that point Tesla was right.