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Audi supercars

By Ben Oliver 28 July 2008 12:35 Audi is the fledgling player in the supercar arena. Yes, it's shown numerous concepts over the years, but it wasn't until the 2007 R8 arrived that we could actually drive a supercar with Ingolstadt's four rings writ large on the grille. And what an effort: straight out of the box, the R8 has delivered a car with the poise of a 911 Carrera 4S with the ease-of-use of a Honda NSX.

Audi RS5 TDI Concept gets electric turbo and 380bhp

The Audi RS5 TDI Concept (pictured) gets an electric turbo It’s two years since Audi revealed it was working on an electric turbo to be used in a twin-turbo setup, with the electric turbo able to offer boost pressure from much lower down the rev range than a normal turbo. That has turned in to the Audi RS5 TDI Concept, where Audi has replaced the normal RS5‘s V8 with a 3.0 litre TDI engine with a small electric turbo for low rev work and a bigger turbo to do the higher rev stuff. The electric turbo works from the off to provide maximum torque of 553lb/ft from just 1250rpm, before the bigger normal turbo takes over at 3,000rpm to continue the boost.

Study: Hybrids safer in accidents, more dangerous to pedestrians

In the first analysis of its kind, the Highway Loss Data Institute found that drivers of hybrid vehicles are, on average, 25 percent less likely to be injured in a crash than drivers of conventional vehicles. Matt Moore, the data institute's vice president and author of the study, said weight was a big factor in its analysis. “Hybrids on average are 10 percent heavier than their standard counterparts,” Moore said in a statement on Thursday.