Quicksilver/mercury Air Filter 35-880084t on 2040-parts.com

One Lap of the Web: Hemi history, vintage Audis and Detroit Grand Prix

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. -- Watch a Pontiac Grand Am meet its demise as Pennsylvania sanitation workers crush it with a garbage truck.

Is this the Audi Q4 crossover?

Audi has released three official sketches of a new TT-inspired crossover concept set to make its debut at the Beijing auto show later this month. The high-riding crossover, whose details are being kept secret for now, is rumored to preview the upcoming Audi Q4 – Ingolstadt's answer to the likes of the BMW X4 and Porsche Macan. The new five-door shares design cues with the three-door Allroad Shooting Brake wheeled out at the Detroit auto show back in January, suggesting Audi is well into a series of new sporting crossover-style SUV models that will line up alongside the more practical SUV offerings already on sale today.

Audi A3 e-Tron Hybrid revealed at Shanghai

Audi A3 e-Tron Hybrid Shanghai - yet another e-Tron Concept Where would we be at a major motor show without Audi and an e-Tron concept? So far we’ve had an Audi e-tron trundled out in everything from a super mini to a super car, and with a range of powertrains from a very sensible range-extender in the Audi A1 e-Tron to the frankly ludicrous claims of the first R8 e-Tron delivering 3,319lbs/ft of torque. What we get for Shanghai is the Audi A3 e-Tron.