Emission Standards Reference Guide
Highway, Nonroad, Locomotive, and Marine Diesel Fuel Sulfur Standards
| Regulated Entity | Covered Fuel | Per-gallon Maximum Sulfur Level by Year (ppm) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2006a | 2007b | 2008 | 2009 | 2010c,d | 2011 | 2012 | 2013 | 2014 | |||
| Federal | Large Refiners & Importers | Highway | 80% 15 20% 500 |
15 | |||||||
| Small Refiners | Highway | 500 | |||||||||
| Large Refiners & Importers | NR | - | 500 | 500 | 500 | 15 | 15 | 15 | 15 | 15 | |
| LM | - | 500 | 500 | 500 | 500 | 500 | 15 | 15 | 15 | ||
| NRLM with Creditse | - | HS | HS | HS | 500 | 500 | 500 | 500 | 15 | ||
| Small Refiners | NRLMf | - | HS | HS | HS | 500 | 500 | 500 | 500 | 15 | |
| Transmix Processor & In-use | NRe | - | HS | HS | HS | 500 | 500 | 500 | 500 | 15 | |
| LMe | - | HS | HS | HS | 500 | 500 | 500 | 500 | 500 | ||
Notes:
a For highway diesel fuel, standards are effective June 1 for refiners/importers, September 1 for pipelines and terminals, and October 15 for retailers and wholesale purchaser-consumers. Anti-downgrading provisions effective October 16, 2006.
b For Nonroad, Locomotive, and Marine (NRLM) diesel fuel, standards are effective June 1 for refiners; downstream requirements apply for Northeast/Mid-Atlantic area only (August 1 for terminals, October 1 for retailers and wholesale purchaser-consumers, and December 1 for in-use).
c For highway diesel fuel, standards are effective June 1 for refiners/importers, October 1 for pipelines and terminals, and December 1 for retailers and wholesale purchaser-consumers.
d For NRLM diesel fuel, standards are effective June 1 for refiners, August 1 for terminals, October 1 for retailers and wholesale purchaser-consumers, and December 1 for in-use.
e Excluding the Northeast and Alaska.
f Excluding the Northeast, with approval in Alaska.
Code of Federal Regulations (CFR) citation:
- 40 CFR 80 Subpart I
