Baffin Women's Judy Boots, Gray, Size 7 on 2040-parts.com

One Lap of the Web: Famous Porsches at auction, Smokey the Aventador and classic snow cars

Here's a tip: If you're going to have a rev battle with a collection of Lamborghini Aventador supercars, keep clear of flammable foliage. Better yet, don't participate in something lame like a rev battle. If you're in a part of the country that's recently been socked by winter weather, don't think you have to put away the classic car: Hagerty Insurance lists five old cars that make great winter drivers.

Audi A7 Sportback Competition is a 322 bhp diesel special edition

Audi A7 Sportback Competition gets 322 bhp Audi has decided that a fitting way to celebrate 25 years of turbodiesel Audis is to create a special edition A7 Sportback with added power. Seems reasonable. So we get the Audi A7 Sportback Competition which comes with the regular 3.0 litre BiTurbo diesel but with just a little bit more oomph with 322bhp and 479lb/ft of torque – just 6bhp up on the normal lump.

Infotainment in cars could get a boost from backup-camera mandate

A federal mandate to require backup cameras in all vehicles, expected Feb. 29, will be a bonanza for suppliers of collision-avoidance equipment. But the mandate also could provide an unintended boost to the infotainment industry.