We came very close to making whales extinct using their blubber for oil lamps. That changed in the mid 1800s when they first kerosene from petroleum. They would

We came very close to making whales extinct using their blubber for oil lamps. That changed in the mid 1800s when they first kerosene from petroleum. They would dump the gasoline by product into streams in Pennsylvania. The oil business almost went belly up when the light bulb was invented.