1953 Lincoln Front Bumper Filler Pan on 2040-parts.com

One Lap of the Web: DeLorean engine swaps, 2013 Women's World Car of the Year and the best French cars

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. -- We've driven the new BMW 4-series and found it worthy of being the 3-series coupe's successor.

Toyota Prius Plug-in Hybrid – details

The Toyota Prius Plug-in Hybrid will show at Frankfurt The principle difference between the standard Prius and this new plug-in version is – you’ll never guess – that it adds the ability to charge the Prius’ batteries through a domestic outlet. The Prius can be fully recharged in around 1.5 hours, and the new lithium-ion battery pack – which replaces the old nickel-metal hydride pack in the regular Prius – is more compact and of higher output. Toyota claim that the plug-in Prius can cover round 12.5 miles on a full charge in pure ‘Electric Mode’, which is around double that of the normal Prius.

Infiniti Emerg-e concept car (2012): leaked patent drawings

Looks like this is the Infiniti Emerg-e concept car bound for the 2012 Geneva motor show. These leaked images from an Italian blog, filed at the European patent office, have surfaced overnight, blowing the planned embargo on Infiniti's range-extender hybrid sports car concept. Infiniti has only issued a couple of teaser photos and confirmed the name of the Infiniti Emerg-e and had hoped to keep the styling under wraps until 6 March 2012.