Page 18 - Propane Vehicle Essentials and Safety Practices
P. 18

What Is Cetane?                                   How Propane Compares to Gasoline and Diesel
                                                                                                      Transportation and Storage
                    • Rating of the speed at which fuel begins to combust
                      o The higher the number, the faster (easier) the ignition begins                  Propane        Gasoline      Diesel
                                                                                      Transported to
                                                                                      Fueling Stations   Truck          Truck        Truck
                                                                                      Stored at Fueling   Above ground ASME   Underground storage   Underground
                                                                                      Stations        storage tanks     tanks      storage tanks





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                                                                                        How Propane Is
                                                                                        Stored Onboard
                                                                                            Vehicles


                                                                                     • ASME pressure vessels
                                          Lesson 2.4                                 • Stored as a liquid
                        How Propane is Stored Onboard Vehicles                          o Lower energy density
                                                                                          than gasoline or diesel
                                                                                     • Pressure
                                                                                        o Nominal 110 psi @
                                                                                          70°F


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