URBANDALE, Iowa - The Iowa Soybean Association has partnered with Iowa Central Community College, Decker Truck Line Inc., Caterpillar Inc., the National Biodiesel Board and the USDA to conduct a unique field documentation study dubbed the “Two Million Mile Haul.” This is a comprehensive study to examine the benefits of a 20 percent soy biodiesel blend (B20) in an over-the-road trucking company. Iowa Central is responsible for collecting and analyzing engine performance data as well as periodic in-house testing of the petroleum and B20 blend fuels for purity and consistency. Additionally, the study examines the effects of various fuel additives...