You can count up 5.8 million BTUs (that's how many BTUs a barrel of oil yields) from a wood stove, or a diesel engine, or a microprocessor, or a laser.
Bentley is eager to give it to them in both old-school and nouveau-riche style: Along with a 12-cylinder engine that delivers 610 horsepower, the concept SUV sports diamond-quilted leather seats, handcrafted wood, leather and gunmetal trim, and built-in iPads for each passenger.