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Holden Calais unveiled, previews Chevrolet SS

General Motors' Australian subsidiary, Holden, has revealed its new VF series Calais -- the rear-wheel-drive sedan that in top-of-the-line, V8-powered, left-hand-drive form -- will be exported to North America and sold as the Chevrolet SS. The new Calais sits at the top of what Holden describes as an “extensively upgraded Commodore” range, with right-hand-drive Australian sales set to get underway in June. The Holden Commodore and its more luxurious Calais derivative have underpinned General Motors' sales in Australia since its introduction in 1978.

Lamborghini Murcielago waves good-bye

It was a fitting farewell to one of the most audacious Lamborghinis ever built. A group of the most iconic V12 cars ever to put rubber to asphalt gathered at the factory in Sant'Agata Bolognese, Italy, for a special exhibition before escorting the last Murcielago, an LP 670-4 SuperVeloce, out of the Lamborghini Museum in a symbolic last ride. The 350GT was in attendance at the event, as was the futuristic Miura, a Countach and the fire-breathing Diablo, among others.

60mph speed limit plans axed in favour of smart motorways

Government plans announced early this year to reduce air pollution caused by vehicle emissions by reducing the speed limit on a 32-mile stretch of the M1 have been shelved. The proposals involved lowering the speed limit from 70mph to 60mph, from junction 28 of the M1, near Matlock in Derbyshire, to junction 35a, north of Rotherham. MSN readers back 80mph limit on UK motorways UK motorway to charge moving electric cars But Transport Minister Patrick McLoughlin will announce later today that blanket reductions of speed limits are not the answer, and alternative solutions to improving air quality must be found.