EPA Tier 5 (proposed or conceptual) emission standards
E740679
EPA Tier 5 (proposed or conceptual) emission standards are anticipated future U.S. Environmental Protection Agency regulations that would further tighten allowable pollutant emissions from non-road and other engines beyond the limits set by Tier 4.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| EPA Tier 5 emission standards | 0 |
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
conceptual regulatory framework
ⓘ
proposed emission standard ⓘ |
| aimsTo |
encourage adoption of cleaner engine technologies
ⓘ
further reduce pollutant emissions beyond Tier 4 limits ⓘ improve air quality ⓘ reduce public health impacts from air pollution ⓘ support climate change mitigation goals ⓘ |
| appliesTo |
agricultural equipment
ⓘ
compression-ignition engines ⓘ construction equipment ⓘ diesel engines ⓘ gasoline engines ⓘ industrial equipment ⓘ lawn and garden equipment ⓘ material handling equipment ⓘ mining equipment ⓘ non-road engines ⓘ off-road engines ⓘ small off-road engines ⓘ spark-ignition engines ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| follows | EPA Tier 4 emission standards NERFINISHED ⓘ |
| mayInclude |
enhanced certification requirements
ⓘ
longer useful life requirements ⓘ more stringent in-use compliance provisions ⓘ stricter test cycles ⓘ tighter evaporative emission limits ⓘ |
| mayRequire |
advanced aftertreatment systems
ⓘ
diesel particulate filters ⓘ electrification of non-road equipment ⓘ exhaust gas recirculation systems ⓘ hybrid powertrains ⓘ low-sulfur fuels ⓘ onboard diagnostics for emissions control ⓘ selective catalytic reduction systems ⓘ |
| motivation |
remaining air quality challenges in some U.S. regions
ⓘ
technological feasibility of lower emission levels ⓘ |
| regulates |
carbon monoxide emissions
ⓘ
evaporative emissions ⓘ exhaust emissions ⓘ greenhouse gas emissions ⓘ hydrocarbon emissions ⓘ nitrogen oxides emissions ⓘ particulate matter emissions ⓘ |
| regulatingAuthority | United States Environmental Protection Agency NERFINISHED ⓘ |
| relatedTo |
California off-road emission regulations
ⓘ
European Stage V non-road emission standards ⓘ |
| sector | environmental regulation ⓘ |
| status |
not yet formally adopted as of 2024
ⓘ
under discussion in industry and policy circles ⓘ |
| subjectOf | policy analysis and industry planning scenarios ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.