Page 16 - Propane Vehicle Essentials and Safety Practices
P. 16
Flammability Properties Emissions Properties of Propane
of Propane
• Lower in
• Ignition temperature o Carbon monoxide (CO)
940-1,120 F o Nitrogen oxides (NO X )
°
o Depends on BTU content o Greenhouse
gas emissions (CO 2 )
• Flammability range is 2.2% to • Near Zero
9.6% (in air) o Particulates
o Below 2.2% too lean to burn • Zero
o Above 9.6% too rich to burn
o Evaporative emissions
9 10
How Propane Compares to Gasoline and Diesel
Source and Physical State
Propane Gasoline Diesel
Lesson 2.3 Source Natural Gas or Petroleum Petroleum
Petroleum
How Propane Compares with Other Liquid Fuels Physical State Liquid / Vapor Liquid Liquid
Vapor Density 1.5 3 to 4 8
11 12
3