Muffler, Aluminized Steel, Natural Finish on 2040-parts.com

GM unveils electric Cadillac Converj concept at the Detroit auto show

General Motors pulled perhaps a surprise at the Detroit Auto Show Sunday morning, unveiling an eye-catching two-door Cadillac concept powered by a "future evolution" of the Chevrolet Volt's electric powertrain. Called the Converj, the Cadillac will have a range of 40 miles on electricity, with a potential total range of 700 miles after a generator kicks in. GM says the powertrain, formerly known as E-Flex, is now called Voltec, and could be used in a variety of applications.

BMW i8 revealed: The BMW Vision ED lives

BMW i8 Revealed Today BMW reveals the i8 Concept, the production concept of the Vision EfficientDynamics supercar we saw back in 2009 and, for BMW, their way forward in a more eco-conscious world. But being aware of the climate doesn’t mean the joy has to be taken from the drive, and the BMW i8 aims to offer a car which can claim a green halo be also be a stimulating and appealing car for the petrolhead. The i8 is remarkably similar to the original Vision ED Concept, although it has dumped the 1.5 litre diesel the Concept has for a new 1.5 litre petrol engine with direct injection which develops 220bhp and 221lb/ft of torque.

India's National Institute of Design

The National Institute of Design (NID) in Ahmedabad is hidden in the greenery behind an iron gate in the crowded streets of the biggest city in the Indian state of Gujarat. There are no car manufacturers here, nor is there any particular tradition of design in general. But for almost half a century this has been the main school to enrol in if you want to become a car designer in India.