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Every day 120 000 metric tons of coal are transported to a plant at Secunda, near Johannesburg, where they are converted into 150 000 barrels of oil a day.
The plant belongs to one of South Africa's success stories, Sasol, the parastatal company that invented and perfected the technology for making petrol and diesel from coal.
Sasol's main plant in the province of Mpumalanga - the only commercial coal-to-liquid plant in the world - produces about 150 000 barrels of synthetic fuel a day and meets about 28% of South Africa's annual fuel needs.
Coal-to-liquid (CTL) technology makes economic sense only in a world of high oil prices: synthetic fuels become economically viable when oil prices reach $50 a barrel. As a result, Sasol has come of age. Until 2003, oil prices averaged $25 a barrel, making $45-a-barrel liquid coal economically prohibitive, but today oil prices hover at $70-a barrel, so the demand for CTL technology is booming.
Read more: www.mediaclubsouthafrica.com...
Over the last few years, we have been working on a concept we call “Air to Fuels”, or A2F for short. A2F uses our direct air capture technology to extract and purify CO2 from the air, and employs electrolysis to produce hydrogen from water using renewable electricity. The CO2 and hydrogen are then combined in a process called “thermo-catalysis”, where they are directly synthesized into liquid fuels such as gasoline and diesel (and in the future, jet fuel also). A2F is a potentially game-changing technology, which if successfully scaled up, will allow us to harness cheap intermittent renewable electricity to drive synthesis of liquid fuels that are compatible with modern infrastructure and engines. This offers an alternative to biofuels and a complement to electric vehicles in the effort to displace fossil fuels from transportation.
According to the study directed by Christoph Buchal of the University of Cologne, published by the Ifo Institute in Munich last week, electric vehicles have "significantly higher CO2 emissions than diesel cars." That is due to the significant amount of energy used in the mining and processing of lithium, cobalt, and manganese, which are critical raw materials for the production of electric car batteries.
A battery pack for a Tesla Model 3 pollutes the climate with 11 to 15 tonnes of CO2. Each battery pack has a lifespan of approximately ten years and total mileage of 94,000, would mean 73 to 98 grams of CO2 per kilometer (116 to 156 grams of CO2 per mile), Buchal said. Add to this the CO2 emissions of the electricity from powerplants that power such vehicles, and the actual Tesla emissions could be between 156 to 180 grams of CO2 per kilometer (249 and 289 grams of CO2 per mile).
originally posted by: lakenheath24
Screw coal...burn dandelions instead.