New engine technologies to reduce emissions include diesel oxidation catalysts, diesel particulate filters & selective catalytic reduction.…
May 05, 2015 | Progressive Dairyman
According to the USDA, it is widely agreed that increased productivity is the main contributor to economic growth in U.S. agriculture. The level of U.S. farm output more than doubled between 1948 and 2011, growing at an average annual rate of 1.49 percent. Aggregate input use increased at a modest 0.07 percent annually in the same period, so the positive growth in farm sector output was substantially due to productivity growth.