Regulations for Emissions from Heavy Equipment with Spark-Ignition Engines
This page provides regulations for nonroad spark-ignition (SI) engines over 19 kW (25 horsepower), including many kinds of equipment, such as forklifts, generators, and many other farm, industrial and construction applications. These engines may operate on propane, gasoline, or natural gas.
See the Electronic Code of Federal Regulations (e-CFR) for the full text of current regulations that apply to Large SI engines.
|e-CFR link||Summary of what you will find|
|40 CFR Part 1048|
|40 CFR Part 1060|
|40 CFR Part 1065||Exhaust emission test procedures (for lab and in-field testing)|
|40 CFR Part 1068|
Below is a list of all regulations related to emissions from heavy equipment with spark-ignition engines.
- Rule summaries;
- Regulatory impact analyses;
- Comment summaries;
- Rule histories (including proposed rules); and
- Fact sheets.*
*Note: Rule-related materials vary by rule.