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Citroen C-Cactus concept's green secrets

By Tim Pollard Motor Shows 17 September 2007 12:52 Citroen C-Cactus: the lowdown Citroen’s C-Cactus concept car on show at Frankfurt signals the start of a programme to investigate simplifying the construction of its cars –stripping out unnecessary weight, complexity and emissions from its everyday hatchbacks and saloons. And it’s not as far flung as it looks. Its designers told CAR Online that this concept wasn’t about the external design, but rather the way the project was conceived and built.

BMW M3 saloon (2014) first official pictures

By Ollie Kew First Official Pictures 11 December 2013 12:00 This is the new BMW M3 saloon. It’s lighter, more powerful and more fuel-efficient than the old V8-powered M3 – and BMW claims it’s even sharper to drive. Read on for CAR’s definitive M3 deep-dive.

Cars of the future could be powered by seawater

Water from the sea could power cars of the future, if experiments currently being trialled by the US Navy prove to be successful. According to Jalopnik, the US Naval Research Laboratory is turning carbon dioxide from seawater into hydrogen, with the hope of fuelling its jets from alternative sources. Hydrogen cars ‘on sale next year’ Zero-emissions hydrogen fuel-cell cars on sale in 2015 – Hyundai If successful, researchers predict it’ll cost between $3 and $6 per gallon – that’s approximately 40p to 80p per litre.