The engine would use at least 25% less fuel and, he claims, its emissions of carbon dioxide and nitrogen oxide would be cut by three-quarters because of its unique ignition properties.

ECONOMIST: A new way to build a greener jet engine

The FDA has recently focused on the illegal use of nitrous oxide, and this was its largest case to date, said special agent Lisa Hartsell.

NPR: Feds Raid 17 Calif. Businesses For Nitrous Oxide

Moreover, soil containing biochar releases less methane and less nitrous oxide than its untreated counterparts, probably because the charcoal acts as a catalyst for the destruction of these gases.

ECONOMIST: Biochar could enrich soils and cut greenhouse gases as well

The Indiana-based utility is investing in the required equipment to reduce its sulfur dioxide, nitrogen oxide and mercury pollution.

FORBES: Coal Plants Belching Out Less Mercury

While this may have been good news for Nepal, Indian industry claims the market was flooded with exports of hydrogenated vegetable oil, acrylic yarns, iron pipes, copper wire and zinc oxide, which India claims has hurt its market.

BBC: India, Nepal prepare for trade talks

In the meantime, however, China is struggling to meet its set environmental targets, including reducing sulphur dioxide and nitrogen oxide emissions.

FORBES: Ending China Pollution An Uphill Battle