Page 12 - CNG ESP Participant Guide2024

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, 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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