Tag: vehicle emissions

Pickup exhaust pipe, emissions

EPA Study Reveals Tampering with Diesel Emissions Systems

The EPA’s Air Enforcement Division (AED) released a study revealing that as many as 500,000 diesel pickup trucks have had emissions controls removed within the last decade. Tampering with these emissions control devices is estimated to produce “more than 570,000 tons of excess oxides of nitrogen (NOx) and 5,000 tons of particulate matter (PM)” in […]

Vehicle emissions

Attorneys General Take Trump Administration to Court on Rollback of Passenger Vehicle Emissions Standards

On May 27, 2020, 23 attorneys general and a handful of city attorneys filed a lawsuit challenging the Trump administration’s Safer Affordable Fuel-Efficient Vehicles (SAFE) rules revising extant fuel efficiency and emissions standards for passenger vehicles. SAFE effectively undoes President Barack Obama’s 2010 Clean Car Standards (CCS), which set forth aggressive fuel economy and greenhouse […]

An Interesting EPA Enforcement Target: Vehicle Defeat Devices

In June 2019, the EPA’s Office of Enforcement and Compliance Assurance announced its six National Compliance Initiatives (NCIs) for fiscal years 2020 through 2023. Before the Trump administration, the Agency referred to this program as its National Enforcement Initiatives. Regardless of the title, the program identifies sectors or types of activities that are in need […]

truck exhaust fumes

EPA Seeks Public Comment on Heavy-Duty Truck Emissions Proposals

In the second step taken under the Cleaner Trucks Initiative (CTI) it announced in November 2018, the EPA has released an advance notice of proposed rulemaking (ANPR) to solicit public comment on the outlines of proposed emissions standards for highway heavy-duty engines, which the Agency says it plans to issue in early 2020.

exhaust coming out of car tailpipe

EPA’s Actions on Vehicle GHG Standards Not Reviewable

Seventeen states, the District of Columbia, and seven of the nation’s top environmental groups petitioned the U.S. Court of Appeals for the D.C. Circuit to review the legality of the Trump EPA’s decision to withdraw the Obama EPA’s January 2017 determination that the Agency’s 2012 greenhouse gas (GHG) emissions standards for model year (MY) 2022–2025 […]

exhaust coming out of car tailpipe

Feds Say California and Automakers Are in Legal Trouble

Following several stern tweets from President Donald Trump, the EPA and the U.S. Department of Transportation (DOT) have put the California Air Resources Board (CARB) on notice that the voluntary framework the state reached with four major automakers “appears to be inconsistent with federal law.” The EPA/DOT letter urged CARB to disassociate itself from the […]

exhaust coming out of car tailpipe

EPA Report Highlights an Upward Trend in Auto Performance

In its 2018 Automotive Trends Report, the EPA states that estimated real-world CO2 emissions from model year (MY) 2017 light-duty vehicles were at a record low and fuel economy at a record high. The report covers vehicles manufactured in 2017, the most recent year for which the Agency has complete data. The report is based […]