Tag Archive for 'Diesel'

Cars, trucks and buses worldwide emit 4.6 million tons more harmful NOx than standards allow, according to the new study. Image credit: Arsi Warrior.

Study: Diesel Vehicles Produce 50% More Nitrogen Oxide than Originally Thought

May 16, 2017 by News Staff

Lab tests of harmful nitrogen oxide (NOx) emissions from diesel vehicles underestimate the real-world emissions by as much as 50%, a new study led by researchers...