Washington and Texas
higher education have contributed to a large and diverse economy. Since oil was discovered, the state's
economy has reflected the state of the petroleum industry. In recent times urban centers of the state
have increased in size containing two-thirds of the population in 2005. The state's economic growth has
led to urban sprawl and its associated symptoms.
Energy
Ever since the discovery of oil at Spindletop, energy has been a dominant force politically and
economically within the state. If Texas were its own country it would be the sixth largest oil producer
in the world. Texas has known petroleum deposits of about 5 billion barrels, which makes up about
one-fourth of the known U.S. reserves. The state's refineries can process 4.6 million barrels of oil a day.
According to the Energy Information Administration, Texans consume on average the fifth most