Leif Tufvesson is one of Sweden’s most skilled specialist car constructors, with many of his custom cars having received serious international acclaim. But the hottest – and latest – of his projects is the new Caresto V8 Speedster, a mid-engine car with an ethanol-powered Volvo V8 that was unveiled today at the Specialty Equipment Market Association (SEMA) custom car and tradeshow in Las Vegas, Ne...