The EPA’s Final Rule on NOx reduction will be incredibly difficult if not nearly impossible for trucking to comply with. Rather than endure another round of equipment failures, downtime and loss of ...

Tula’s Diesel Dynamic Skip Fire is an advanced cylinder deactivation control strategy that makes decisions for an engine’s cylinders on an individual basis to best meet torque demands while cutting ...

Today’s launch of the Ultra Low Emission Zone (ULEZ) in central London is a welcome step on the road to cleaning up urban air quality but will not stop ‘dirty diesels’ from entering the capital ...

Vehicles that burn petrol or diesel emit a type of pollution called NOx, which is linked to most of the hundreds of annual deaths attributed to air pollution from vehicles. Real-world testing shows ...

Imagine you're stopped at the lights and two cars pull up beside you. One is a compact SUV, the other a beefy four-wheel drive that weighs twice as much. The off-roader has a petrol engine, while the ...