Because oil cost a lot of money.
You normally find oil in the ground or under the ocean floor.
oil is renewable because is reproduce in the ocean floor or under ground
The current oil spill in the Gulf of Mexico is from an oil well under 5,000 of water.
The particular problems there are with extracting oil from under sea will cause a Tsunami (A earthquake on the sea bed) to the Earth.
The Hibernia oil field was developed to extract oil reserves located beneath the seabed of the North Atlantic Ocean off the coast of Newfoundland, Canada. The discovery of significant oil reserves in the area made it economically viable to establish the oil field for extraction.
Pipelines are built under the ocean with machines that have arms. These arms put the pipes into place on the ocean floor. Divers then weld the pipes together. The weight of the pipes will settle into place.
Because under the water, there is still solid rock, for 60 km, some of this rock contains oil, that's why offshore oil exploitation exists.
Oil drilling often occurs on the seabed, that is, the very bottom of the ocean.
oil and natural gas
under the ocean
FAlSE
Fossil Fuel Oil is stored in large tankers underneath the ocean right on the bottom of the ocean floor.