Oscar Graff Browse All Authors Famous Quotes by Oscar Graff Up until now we have about 700 operating hours here at Klemetsrud and we have captured about 80 tonnes of CO2, and what is nice from this flue gas from Klemetsrud is the high content of the CO2, it's about 12 percent, volume percent, of CO2, it's fairly easy to capture. So up until now we have no problem with the process, it works very steady and so far all the test results look very promising. Oscar Graff science