This marks 100 years of continuous weather records for Phoenix. The assistance given by Mr. Robert S. Ingram, former Meteorologist in Charge, National Weather Service Office, Phoenix, Arizona, Mr. Paul C. Kangieser, former NOAA Climatologist for Arizona, and other staff members is gratefully acknowledged.
Most liquid fuels in widespread use are derived from the fossilized remains of dead plants and animals by exposure to heat and pressure in the Earth's crust. However, there are several types, such as hydrogen fuel (for automotive uses), ethanol, jet fuel and biodiesel which are all categorized as a liquid fuel.
The most common fuels used in race cars these days (2007) are: 1. Leaded and unleaded gasoline. This fuel is used by many types of race cars and octane levels are usually high, meaning 94 and above. Gasoline is used in drag cars, rally cars, stock cars, and even Formula One cars. Gasoline is derived from the distillation of crude oil. 2. This fuel is used by Champ Cars and was formerly used by Indy Cars.