Video: Worst-case brake testing on a Boeing 747

You think your brakes are good? Whether or not you can stop on a dime, your brakes can’t come close to the clampers on a Boeing 747-800 passenger plane. You can bring 4,000 pounds to a halt from 100 mph?

2014 Citroen C4 Cactus: pictures and full details

The 2014 Citroen C4 Cactus has been revealed ahead of the car's official debut at the Geneva motor show next month. The all-new model is the first in Citroen's new C-Line model range and introduces a world-first, in the form of  'Airbump' - air-filled plastic panels at the front, rear and sides of the car which are designed to protect the bodywork from minor bumps and scrapes . The C4 Cactus production car closely resembles the stiking concept car of the same name that was unveiled at the 2013 Frankfurt motor show and it will be one of the most distinctive cars on the road when it goes on sale in the UK in October.

Opel / Vauxhall Ampera on hold over Chevy Volt fire

Opel / Vauxhall Ampera on hold over Chevy Volt fire With the NHTSA investigating Chevy Volt battery fires, the debut of the Opel/Vauxhall Ampera has been put on hold. If you ignore the price, we’re all in favour of the range extender hybrid option as the most elegant solution to electric cars. But new technology is not without its problems, as GM are finding out with the Chevy Volt.