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

Jet Age lands at Rodeo Drive Concours

Fins and aerodynamic stability -- the latter sometimes real, sometimes just for style -- dominated the 20th anniversary of the Rodeo Drive Concours in Beverly Hills Sunday. The era of magnificent tail fins was born from the sweet optimism of the 1950s, when “The Future” was just around the corner and we were all looking forward to piloting jet packs, being served by robots and living in futuristic domed cities on the moon. You could call it The Jet Age, and when businessjet timeshare company Flexjet offered to sponsor the Rodeo Drive Concours this year, it suddenly sounded like the perfect theme for the show.

Audi A3 Sportback e-tron price and specs – costs £34,950

Audi A3 Sportback e-tron (pictured) costs £34,950 If governments are going to base car taxation on Co2 emissions, then car makers are going to build cars that ‘game’ the official tests. A perfect example of which is the new Audi A3 Sportback e-tron plug-in hybrid. It’s expensive at £34,950 (although the government bribe for plug-ins does drop the price you pay to £29,950), but thanks to its ‘up to 31 miles’ range on battery power only it comes complete with official economy of 176.6 mpg and emissions of 37g/km.

One Lap of the Web: BMW M3 gets color-corrected, a gentleman's GT-R and the Porsche 959

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Oh dear, BMW: Perhaps you shouldn't have made two M3 color selections sound so similar?