1972 Puch Mx175, Kick Stand And Spring, Mx 175, Kickstand, on 2040-parts.com

One Lap of the Web: The Economist talks cars, Maria Sharapova's Porsche and crazy bikers

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. -- Have you ever seen two motorcycles going wheel-to-wheel at 200 mph in the rain?

2015 BMW i3 official photos

The BMW i3 has been officially released as of today, simultaneously worldwide in London, New York City and Beijing. The city car is powered by an electric motor producing the equivalent of 170 hp and 184 lb-ft of torque. The rear-wheel-drive, 2,635-pound car can sprint to 62 mph (100 kph) in 7.2 seconds and can achieve a range as high as 118 miles.

Revival revels in sell-out crowds

A SELL-OUT crowd of 148,000 guests witnessed the 17th Goodwood Revival meeting last weekend, including an amazing celebration of the venue’s wartime role. The on-track highlights included the annual RAC TT Celebration race for early-1960s GT cars, which was won by the AC Cobra of Sauber Formula 1 test driver Giedo van der Garde and David Hart, after a thrilling battle against a £150million field that included Jaguar E-types, Aston Martin project cars and even a Bizzarini. Sir Jackie Stewart’s extraordinary career – which was catapulted into life at Goodwood in 1964 thanks to a maiden single-seater test – was marked with a 24-car parade that featured fellow motor racing legends John Surtees, Richard Attwood, Mark Webber and Arturo Merzario The 75th anniversary of RAF Westhampnett – Goodwood Aerodrome’s name during World War II – was marked with a display of 600 military vehicles and personnel, including a flypast that featured the world’s only two airworthy Lancaster bombers.