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Audi TT ultra quattro concept sheds 300kg & heads for Worthersee

The TT ultra quattro concept manages to tip the scales at 1111kg, 299kg less than the starting point – the TT S quattro – thanks to a new version of the TT’s aluminium space frame, carbon fibre reinforced plastic panels, carbon fibre for many body panels and some judicious use of magnesium. Other weight saving tricks include carbon ceramic brakes with aluminium calipers, titanium exhaust, cameras instead of heavy door mirror mechanisms, and carbon fibre and aluminium wheels. The weight saving extends to the interior of the TT ultra quattro concept too, with carbon fibre used for the door and centre console trims and glass-fibre reinforced plastic base for the seats which saves 22kh alone. But despite the weight savings Audi hasn’t made the TT ultra quattro concept a hair shirt outing with goodies like leather seats, AirCon and electric windows still on offer.

Lotus V8: the new engine plan in full

Lotus has confirmed details for its new inhouse V8 engine family, which will make its first road car appearance in the 2013 Esprit. Responding to feedback which said the 'New Era' plan to launch five new models was weakened by its reliance on Toyota engines, the new management team decided last Christmas to design and develop its own engine. 'The feedback from customers was "how can you justify a £100,000 car with a Toyota engine?",' said chief executive Dany Bahar.

Honda Small Sports EV Concept (2011) first pictures

Honda hopes to set the agenda at the 2011 Tokyo motor show with no fewer than seven concept cars – including its answer to the BMW i8, the new Small Sports EV Concept. Little is being said about the new compact sports car, but we know it will definitely be a full EV. These first design sketches reveal a stubby targa top with new Honda styling cues.