Volvo Cars' most powerful E85 engine is now receiving a vitamin supplement in the form of 30 fresh horsepower and an additional 40 Newton metres of torque.The five-cylinder 2.5-litre Flexifuel engine, the 2.5FT, produces 231 hp (170 kW) and 340 Nm of torque. At the same time, Volvo's engine experts have succeeded to cutting fuel consumption by between five and six percent depending on transmission...