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.
Pros and Cons of Different Heating Fuels. When it comes to picking out a heating system from among the various optionsâfurnaces, boilers, heat pumpsâone of the main considerations to keep in mind is the variety of heating fuels available. Most types of heaters run from different fuels depending on the model.il and Propane. 1  Pros: Neither fuel poses the same explosive combustion risk of natural gas, or toxic leaking. 2  Cons: You have to plan ahead to purchase the fuel, and you store it on the premises (unlike natural gas, which is piped in).