Vehicles likely source of smog-causing ammonia: Study
Researchers from Princeton University in the US outfitted vehicles with sophisticated sensors to detect ammonia levels and focused on six cities - Philadelphia, Denver and Houston in the US, and Beijing, Shijiazhuang and Baoding in China.
Apr 01, 2017, 15:51 PM IST
Vehicles likely source of smog-causing ammonia: Study
Researchers from Princeton University in the US outfitted vehicles with sophisticated sensors to detect ammonia levels and focused on six cities - Philadelphia, Denver and Houston in the US, and Beijing, Shijiazhuang and Baoding in China.
Apr 01, 2017, 15:43 PM IST
