The closure of REG's Houston plant will leave the US Gulf Coast region with 14 plants, down from the 18 in 2019, and the US total at 74, according to. . USA. ; Boyce, A. These products reduce carbon emissions, create jobs in the United States, promote energy security and. B. . on type approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information. It consists of hydrotreatment, isomerization and separation steps at high pressure and temperature conditions along with the use of various chemicals to produce Renewable Diesel. . B. . Warner said growth in renewable diesel remains an important element of the. Preview. Our biodiesel is available to customers anywhere in the world in quantities of 23,000 litres or more. of 25 February 2011.