The 50,000 ships plowing the high seas consume more than five million barrels of crude every day, not much less than all the aircraft in the sky. One-twentieth of all oil ends up burned in a ship engine. Those days may soon be ending.
The 50,000 ships plowing the high seas consume more than five million barrels of crude every day, not much less than all the aircraft in the sky. One-twentieth of all oil ends up burned in a ship engine. Those days may soon be ending.