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

One Lap of the Web: Toyota in the Motor City, GPS-enabled headlamps and a mobile Fiat shop

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. -- From Bring a Trailer, it's a 1966 Fiat Furgone panel van equipped as a mobile workshop.

Remember this day in GM history: The next century of automotive success starts now

President Obama's administration made history today with what some see as nothing short of government meddling in the affairs of big business. What I see is something else: I see the administration showing that it is serious and raising the level of concern from yellow to orange. Now there is a firm deadline and a message to bondholders, United Auto Worker union members and the American public: Do not be surprised if in the next 30 days--or even sooner-General Motors files for a controlled bankruptcy.

Citroen Cactus concept car (2013): the first bubble-wrap, bump-free car

French car firm Citroen has enjoyed some success with its range of upmarket DS models – but now it’s turning its attention to the bread-and-butter C-line cars. And the new 2013 Citroen Cactus concept car is the first look at what’s in store for the mainstream Citroen car range. The Citroen Cactus immediately stands out from the crowd of same-again European crossovers because of its novel Airbump system: think of protective bubble-wrap on the doors and bumpers to protect them from scrapes and dings in car parks and you’re not far from the truth.