Texas Emissions Reduction Plan (TERP) – Off-Road, Heavy …
mining equipment; off-highway tractors; off-highway trucks; pavers; ... If you sell, lease or rent off-road, heavy-duty diesel equipment of 50 horsepower or more, you must collect this surcharge on the sale, lease or rental amount. ... Heavy-Duty Diesel Equipment Surcharge Rates* Effective Date Rate; Sept. 1, 2015: 1.5 percent: July 1, 2003 ...