Nippon Steel Corp. said it achieved the world’s first carbon dioxide (CO2) emission cut of 43 percent by using hydrogen instead of coal in a blast furnace. The breakthrough was made in a test ...

Ratings range from A (the best) to E (the worst), based on the actual on-road urban NOx and CO2 emissions using the same independent test on every vehicle. The car emissions and real-world mpg ...

FOX 4 obtained state records revealing elevated carbon dioxide (CO2) levels inside Maypearl Primary School since at least ...