One lap of the Web: Amphibious awesomeness, retro Land Rovers and a toy Toyota engine

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. -- Looks like the Willow Run assembly plant outside of Ypsilanti, Mich.

Mercedes Biome (2010) first official pictures

Now, what on earth, or for that matter not from earth have we got here? It's the Mercedes Biome concept supercar. It's a product of Merc's Los Angeles design studio, and they prefer to describe it as an 'Ultralight vehicle at one with nature.' The Biome was produced as part of the Los Angeles Design Challenge, taking part alongside the 2010 LA auto show.

Chrysler prices SRT 2012 models

Chrysler Group, which is reviving its SRT performance brand, has set prices on the first four SRT vehicles it is selling: the Chrysler 300 SRT8, Dodge Charger SRT8, Dodge Challenger SRT8 and Jeep Grand Cherokee SRT8. Chrysler will start building the vehicles at the end of July and they will arrive in dealerships before the end of the third quarter. Prices, including $825 shipping, are as follows: -- 2012 Dodge Charger SRT8 -- $46,660 • 2012 Chrysler 300 SRT8 -- $47,995 • 2012 Jeep Grand Cherokee SRT8 -- $55,295 • 2012 Dodge Challenger SRT8 -- $44,077 (price does not include a $1,300 gas guzzler tax on the automatic transmission and $1,000 for the six-speed manual.) The 2012 Challenger is largely a carryover from the 2011 model.