One simple chemical reaction makes this oil into a diesel fuel that releases less particulate, sulphur-oxide and nitrogen-oxide pollutants than petroleum-based diesel.
From the newscientist.com
Depending on the size of the aircraft, the burning of fuel during a single flight produces between 8-50kg of nitrogen oxide as well as carbon dioxide, carbon monoxide and sulphur oxide.
From the guardian.co.uk
They also emit large amounts of sulphur dioxide and nitrous oxide.
From the newscientist.com
It had been generating electricity for 29 years emitting carbon dioxide, sulphur dioxide and nitrous oxide.
From the independent.co.uk
The gases were subject to continuous washing, and with the presence of the catalyst iron oxide, sulphur dioxide was converted into sulphuric acid.
From the en.wikipedia.org
Contains oil-absorbing sulphur and pore-unclogging salicylic acid, zinc oxide and tea tree.
From the nzherald.co.nz
The targets apply to the four greenhouse gases carbon dioxide, methane, nitrous oxide, sulphur hexafluoride, and two groups of gases, hydrofluorocarbons and perfluorocarbons.
From the en.wikipedia.org
Since 1977 the TVA has spent $3 billion on reducing nitrogen-oxide and sulphur-dioxide emissions, and plans to spend $2.6 billion more by the end of 2010.
From the economist.com
This covers the carbon-dioxide market in Europe, and the sulphur-dioxide and nitrogen-oxide markets in America, publishing daily price assessments for the leading contracts.