Nos Tomco 7404 Choke Pull-off on 2040-parts.com

Elio three-wheel prototype revealed

Elio Motors unveiled a prototype of its two-passenger, three-wheeled vehicle Wednesday, confirming the all-new vehicle will have a $6,800 base price when it goes on sale in June 2014. Paul Elio, company founder and CEO, said the vehicle is targeted at first-time or cash-strapped buyers, as well as for families who already have a family car and are seeking something inexpensive for daily commuting. Its sub $7,000-base price makes it almost half the price of the cheapest car in the U.S.

Top 5 most important cars at the 2013 Frankfurt motor show

The five most important memorable cars in attendance at the world’s biggest motor show Nothing is as controversial as irritating your core enthusiasts, and the Audi Sport Quattro concept risks doing just that. Its name and styling riff off one of the most iconic cars in Audi’s back catalogue – and in WRC history – yet the new yellow version unveiled at the 2013 Frankfurt motor show has abandoned the five-cylinder engine, manual gearbox, and respectable kerbweight of the 2010 Quattro concept. In its place, we’ve an RS7-based coupe with the power of a Lamborghini Aventador (691bhp), twice the claimed economy of a Golf GTD (113mpg), but only because of a twin-turbo V8 mated to a hefty hybrid powertrain, and that means this new Sport Quattro weighs as much as a Bugatti Veyron Super Sport (1845kg).

Traffic Booster honks at drivers as soon as the light turns green

The Traffic Booster is a simple little device: a few resistors, some switches, a box with a cheap car horn in it. The schematics are here for easy home replication, dog-eared copy of "The Anarchist Cookbook" not required. But the apocalyptic infuriation it causes is priceless, and if deployed across a city center, the ensuing riots will cause untold millions in damages.