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.
Energy sources are used in several major ways. 1  Gasoline is used in cars, motorcycles, light trucks, and boats. 2  Diesel fuel (or distillate fuel) is used mainly by trucks, buses, and trains and in boats and ships. 3  Kerosene is used in jet airplanes and some types of helicopters. 4  Residual fuel oil is used in ships.