calumet specialty products partners lp said wednesday its renewable hydrogen plant in great falls mont began operating earlier in march and it expects a feedstock pretreater and sustainable aviation fuel production to start up in april at the facility todd borgmann calumets chief executive told analysts in a call that its renewable hydrogen plant commenced startup march 4 and is currently ramping up to 12000 bd of production capacity in addition the construction of the feedstock pretreater is mechanically complete and should be running in april borgmann said production of saf should also start in april which would make calumet the biggest saf producer in north america beginning in the next quarter he said the timeline of calumets renewable business in montana is largely consistent with the companys last estimate in late december calumet decided to convert its legacy heavy crude refinery to renewables diesel business about two years ago the company has touted its montana facilitys close proximity to renewable feedstock suppliers of canola and camelina in the great plains the indianapolis company which operates a 60000bd refinery in shreveport la and several oil terminals also manufactures and markets transportation fuels and other petroleum products including oils solvents esters waxes and specialty oils this content was created by oil price information service which is operated by dow jones  co opis is run independently from dow jones newswires and the wall street journal