Emissions-control technology for mobile sources has developed in a series of interactive steps with the promulgation of emissions standards for new vehicles and engines and for fuel regulation. For ...

The U.S. government is in full retreat from its efforts to make vehicles more fuel-efficient, which it had been prioritizing, along with state governments, since the 1970s. As a scholar of how vehicle ...

Cambridge, MA – Any motorist who has ever waited through multiple cycles for a traffic light to turn green knows how annoying signalized intersections can be. But sitting at intersections isn’t just a ...

The U.S. government is in full retreat from its efforts to make vehicles more fuel-efficient, which it had been prioritizing, along with state governments, since the 1970s. As a scholar of how vehicle ...

Since its introduction in 1886 by Karl Benz, the automobile has been a fundamental force that changed the world. From enabling economic growth, bridging distances, and accelerating the development of ...

Urban congestion is a pressing challenge, driving up emissions and compromising transport efficiency. Advances in big-data collection and processing now enable adaptive traffic signals, offering a ...

Modern-day emissions regulations have led automakers to make their vehicles as clean as possible. They achieve this through several means, including engine downsizing, hybridization, forced induction, ...

Atmospheric organic compounds serve as critical precursors for secondary organic aerosols (SOA) and ozone formation, profoundly impacting air quality 1,2,3, climate change 4, and human health 5,6. The ...

India, June 17 -- India's auto policy debate has a familiar flaw: it loves grand objectives and then settles for blunt ...

GM has issued an emission recall for certain units of the 2025 Chevy Silverado 1500 and 2025 Chevy Silverado HD pickup trucks that were potentially produced with incorrect Vehicle Emissions Control ...

Air pollutant emissions from mobile sources have been regulated for almost half a century. During this time, the focus has largely been on tightening emissions standards for on-road vehicles and ...