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

One Lap of the Web: Jaguar C-X75, 'Top Gear's' 20th season and Bugatti vs. Pagani

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. -- Remember the Jaguar C-X75 concept a couple of years back?

New Mercedes B-Class F-CELL in 2014 – more hydrogen cars planned

Mercedes B-Class F-CELL in use in Southern California Mercedes-Benz are planning to launch a hydrogen powered fuel cell version of the new B Class in 2014, with a larger fuel cell car also planned. The Mercedes B Class F-Cell – an electric car powered by a hydrogen fuel cell to charge the batteries – is already available for lease in Southern California, albeit at a not exactly everyday affordable $849 a month. Admittedly that does include all the hydrogen you can use, but it’s still probably three times what a regular B-Class would cost to lease.

Audi A8 & S8 get a facelift to stand up to the new Mercedes S Class

The Audi A8 (pictured) and S8 get a facelift for 2014 The Mercedes S Class has always been the benchmark against which all luxury saloons are measured, so with a new S-Class now heading for a Mercedes showroom near you, Audi are giving the A8 and S8 a facelift in the hope their sales will hold up. On the cosmetic front, the A8/S8 facelift is pretty much what you’d expect with a nip and tuck for the bumpers and grill, the odd new contour, bits of extra chrome and LED headlights. There’s also the option of Matrix LED headlights that light up to 25 individual LEDs to suit need.