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Module 1: Properties and Characteristics of Natural Gas
MODULE 1: OVERVIEW
Introduction Natural gas is a gas, like air, — and is very different from liquid transportation fuels like
gasoline and diesel. Because it is a gas, it behaves differently than other fuels and has
properties and characteristics that are unique.
Importance Understanding the properties of natural gas will help you work on and around natural
gas vehicles more safely.
Module Overview This module introduces you to the unique physical, chemical, combustion, emissions and
other properties of natural gas. It will help you understand how natural gas compares to
gasoline and diesel fuel, and it will inform you about the safety hazards of natural gas
and how to avoid them.
Learning Objectives ▪ Define natural gas and its origin
▪ Explain the properties and characteristics of natural gas
▪ Compare natural gas, gasoline and diesel fuels
▪ Understand how natural gas is stored onboard vehicles
▪ Recognize the safety hazards of natural gas
Order of Lessons Lesson 1.1: What is Natural Gas?
Lesson 1.2: Properties and Characteristics of Natural Gas
Lesson 1.3: How Natural Gas Compares with Liquid Fuels
Lesson 1.4: How Natural Gas is Stored Onboard Vehicles
Lesson 1.5: Safety Hazards of Natural Gas
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