More than 80% of Volvo trucks in North America now run the latest software, resulting in improved fleet efficiency.

Detroit Gen 6 engines target improved fuel efficiency and familiar service architecture, while being compliant with upcoming emissions rules.

Airbus is ramping up pressure on U.S. engine maker Pratt & Whitney by pursuing potential damages in an escalating dispute ...

Diesel exhaust fluid freezes at 12 degrees Fahrenheit, leaving ice road truckers in a dangerous predicament when their big ...

Austin Turner is a web producer at CBS News Los Angeles. An Inland Empire native, Austin earned a degree in journalism from San Jose State University in 2020. Before joining CBS News in 2025, he ...

The Iowa House advanced a bill Monday that would allow farmers to disable the diesel exhaust fluid, or DEF, systems required by federal emissions laws. House File 2529 would require manufacturers of ...

The EPA’s war on the dreaded diesel “limp mode” triggered by DEF systems just shifted into a much higher gear. While the initial focus centered on cleaning up the software for the 2027 model year and ...

Volvo Group North America disclosed that it suffered an indirect data breach stemming from the compromise of IT systems at American business services giant Conduent, of which Volvo is a customer.

The U.S. Environmental Protection Agency (EPA) is escalating its response to consumer complaints regarding Diesel Exhaust Fluid (DEF) system failures, announcing a new investigation aimed at major ...

Add Yahoo as a preferred source to see more of our stories on Google. EPA wants to eliminate truckers stranded by engine failures. (Photo: Jim Allen/FreightWaves) WASHINGTON — In a move to end “limp ...

The data collected will allow EPA to independently evaluate ongoing system failures. As of Feb. 2, engine manufacturers have 30 days to provide EPA with data on model years 2016, 2019 and 2023 ...

The Environmental Protection Agency on Tuesday said it would put forth a rulemaking in the Federal Register seeking information to help it to permanently end diesel derates. The action follows an ...