1984 Chevrolet Corvette Heater Bypass 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.

Tax-return car deals

Automakers are offering cut-rate financing, cash back and lease deals just as our income-tax-refund checks are coming in the mail. These timely tax-return car deals are paired with the necessity for automakers to make room on dealer lots for all-new models. (See the Cadillac CTS deals.) Here, we break down some of the incentives being offered this month.

Cadillac Urban Luxury Concept (2010) first pictures

Cadillac today introduced what it describes as an 'urban luxury concept' - aka a posh supermini to rival the Mini. The small Cadillac was one of the surprises at the 2010 Los Angeles auto show and our reporters on the ground are calling it one of the hits of the show. Clay Dean, director of GM North America, said the Cadillac Urban Luxury Concept stood comparison with Europe's finest city cars. At just under 4 metres long and 1.7 metres wide, he has a point.