Mac 12pt Chrome Combination Metric Wrench 17mm on 2040-parts.com

One Lap of the Web: Porsche 959s, the Alfa Romeo 4C and the Mercedes-Benz A45 AMG vs. the BMW M135i

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 initially produced to satisfy FIA homologation requirements in 1986, the Porsche 959 was the world's fastest street-legal production car.

Public 'right behind' 20mph urban speed limits

NEARLY 80% of people think 20mph speed limits should be the norm around schools, in residential streets and in village, town and city centres, according to a survey. More than four in five people think traffic travels too fast on local roads, the poll by road safety charity Brake and Allianz Insurance found. Of the 1,000 people surveyed, 78% backed the 20mph campaign run by Brake, with 72% saying roads in their town or village need to be made safer for walking.

LA Auto Show Design Challenge entries unveiled

The 2013 Los Angeles Auto Show Design Challenge entries have been revealed a few days before the show is set to open. As in previous years, several of the major players in the automotive design world are participating and automakers and design studios such as BMW DesignworksUSA, Subaru, Mazda, and China's SAIC and Changfeng will be exhibiting concept art. The theme of this year's design challenge is called "Biomimicry & Mobility 2025: Nature's Answer to Human Challenges.” With nature coming to be seen as one of the best R&D labs for design, and with biological knowledge doubling every five years, design studios were challenged to design vehicles that use biomimicry to increase the efficiency of mobility itself.