Regions · North America

US: Light-duty: Fuel Economy and GHG

Current Standard: 2024-2026 CAFE and 2023-2026 GHG rule…

California: Heavy-duty: Emissions

Current Standard: Heavy-Duty Engine and Vehicle Omnibus Regulation and Associated Amendments (Title 13)…

US: Stationary Engines (NESHAP)

Current Standard: National Emission Standards for Hazardous Air Pollutants for Reciprocating Internal Combustion Engines…

US: Stationary Diesel Engines (NSPS)

Current Standard: Standards of Performance For New Stationary Sources…

California: Heavy-duty: ZEV

California: Heavy-duty: GHG

Current Standard: CARB Heavy-Duty Vehicle Greenhouse Gas Emission Reduction Regulation…

US: Fuels: Renewable Fuel Standard

US: Fuels: Biofuel tax credits

US: Stationary Engines (NESHAP)

Current Standard: National Emission Standards for Hazardous Air Pollutants for Reciprocating Internal Combustion Engines…

US: Stationary Diesel Engines (NSPS)

Current Standard: Standards of Performance For New Stationary Sources…

US: Nonroad: Emissions

Current Standard: Tier 4…

US: Motorcycles: Emissions

Current Standard: Varies for different classes and model years, 40 CFR 86.410-2006…

US: Marine: Emissions

Current Standard: Varies depending on engine category…

US: Locomotives: Emissions

Current Standard: Tier 3…

US: Light-duty: Emissions

Current Standard: Tier 3…

US: Heavy-duty: Fuel Consumption and GHG

Current Standard: MYs 2018–2027…

US: Heavy-duty: Emissions

Current Standard: 2007 Heavy-Duty Highway Rule, fully phased-in as of 2010…

US: Fuels: Diesel and Gasoline

US: Air Quality Standards

Current Standard: Current standards for six "criteria pollutants"…

Mexico: Light-duty: Fuel Economy and GHG

Current Standard: NOM-163-SEMARNAT-ENER-SCFI-2013…

Mexico: Light-duty: Emissions

Current Standard: NOM-042-SEMARNAT-2003…

Mexico: Heavy-duty: Emissions

Current Standard: NOM-044-SEMARNAT-2017…

Mexico: Fuels: Diesel and Gasoline

Current Standard: NOM-016-CRE-2016…

California: Motorcycles: Emissions

Current Standard: Title 13, CCR §1958 (exhaust) and §1976 (evaporative)…

California: Light-duty: GHG

Current Standard: CARB 2009-2016 GHG Standards / 2012-2016 CAFE/GHG rule…

California: Light-duty: Emissions

Current Standard: Currently phasing in LEV III…

Canada: Nonroad: Emissions

Current Standard: US Tier 4…

Canada: Motorcycles: Emissions

Current Standard: Varies for different classes and model years, as specified in 2006 Regulations Amending the On-Road Vehicle and Engine Emissions Regulations…

Canada: Marine: Emissions

Current Standard: Domestic: Off-Road Compression-Ignition Engine Emission Regulations…

Canada: Light-duty: Fuel Consumption and GHG

Current Standard: Passenger Automobile and Light Truck Greenhouse Gas Emission Regulations, amended September 2014…

Canada: Light-duty: Emissions

Current Standard: Tier 2 in 2003 On-Road Vehicle and Engine Emission Regulations…

Canada: Heavy-duty: GHG

Current Standard: Heavy-duty Vehicle and Engine Greenhouse Gas Emission Regulations, phased-in 2014-2018…

Canada: Heavy-duty: Emissions

Current Standard: Phase 2 (comparable to US 2010) in 2003 On-Road Vehicle and Engine Emission Regulations…

Canada: Fuels: Diesel and Gasoline

Current Standard: 15 ppm sulfur diesel…

Canada: Fuels: Biodiesel

Current Standard: CAN/CGSB-3.520-2011…

California: Fuels: Diesel and Gasoline

Current Standard: Diesel - California Diesel Regulation…

US: Compliance and Enforcement

Canada: Vehicle Definitions

Canada: Regulatory Background

California: Vehicle Definitions

US: Section 177 States

US: Regulatory Background

US: Fuels: Compliance

US: Fuels: Biodiesel Specifications

Mexico: Regulatory Background

California: Regulatory Background

California: Light-duty: Low Emission Vehicles

California: Fuels: Low Carbon Fuel Standard

Current Standard: Title 17, California Code of Regulations (CCR), sections 95480 through 95490…

California: Fuels: Clean Fuels Outlet

California: Diesel Risk Reduction Program

US: On Board Diagnostics

US: Diesel Occupational Health Regulations

Mexico: Air Quality Standards

Current Standard: Normas Mexicanas de Calidad del Aire (Mexican Air Quality Standards) - six standards regulating eight criteria pollutants…

California: ZEV

Canada: Air Quality Standards

Current Standard: National Ambient Air Quality Objectives (NAAQOs) and Canada-Wide Standards…