One Lap of the Web: Kyle Busch takes to the streets, a new Mazdaspeed3 and the Crazy Cart

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. -- When you let a NASCAR driver take his souped-up track car on local streets, you can be sure that what will happen is nothing short of incredible.

M4 junction to close over tailbacks

A JUNCTION of the M4 motorway in south Wales will be closed as part of a trial to cut traffic tailbacks. The closure of junction 41 at Port Talbot starts this summer and aims to reduce congestion in both directions. Wales' Economy and Transport Minister Edwina Hart said studies predicted it would increase the capacity of the M4 by 11% westbound and 2% eastbound.

Lincoln aims at luxury crossovers with MKT

In an effort to grow the brand to customers who normally buy imports, Lincoln will offer up a full-size crossover, the MKT, that is due in dealerships in late summer. We saw the Lincoln MKT at the Detroit Auto Show. As sales of full-size sport/utility vehicles decline--Lincoln says industry-wide sales are down 5.2 percent for 2008--sales of crossovers are growing.