DEARBORN, MI – The luxurious Lincoln MKR concept introduces a four-door coupe featuring environmentally friendly amenities and fuel-saving technology, including its TwinForce engine.The concept's 3.5L gasoline twin-turbocharged direct-injection V-6 delivers 415 horsepower and 400 lb.-ft. of torque on renewable E-85 ethanol. As a result of the smaller V-6, the Lincoln MKR concept delivers 15-percent better fuel economy than a V-8 with similar performance, according to Lincoln.The concept's engine is mated to a six-speed transmission and features independent rear suspension.