Oregon Revised Statutes Public Health and Safety § 468A.795

(1) “Combined weight” has the meaning given that term in ORS 825.005.

(2) “Cost-effectiveness threshold” means the cost, in dollars, per ton of diesel particulate matter reduced, as established by rule of the Environmental Quality Commission.

(3) “Heavy-duty truck” means a motor vehicle or combination of vehicles operated as a unit that has a combined weight that is greater than 26,000 pounds.

(4) “Incremental cost” means the cost of a qualifying repower or retrofit less a baseline cost that would otherwise be incurred in the normal course of business.

(5) “Medium-duty truck” means a motor vehicle or combination of vehicles operated as a unit that has a combined weight that is greater than 14,000 pounds but less than or equal to 26,000 pounds.

(6) “Motor vehicle” has the meaning given that term in ORS 825.005.

(7) “Nonroad Oregon diesel engine” means any Oregon diesel engine that was not designed primarily to propel a motor vehicle on public highways of this state.

(8) “Oregon diesel engine” means an engine at least 50 percent of the use of which, as measured by miles driven or hours operated, will occur in Oregon for the three years following the repowering or retrofitting of the engine.

(9) “Oregon diesel truck engine” means a diesel engine in a truck at least 50 percent of the use of which, as measured by miles driven or hours operated, has occurred in Oregon for the two years preceding the scrapping of the engine.

(10) “Public highway” has the meaning given that term in ORS 825.005.

(11) “Repower” means to scrap an old diesel engine and replace it with a new engine, a used engine or a remanufactured engine, or with electric motors, drives or fuel cells, with a minimum useful life of seven years.

(12) “Retrofit” means to equip a diesel engine with new emissions-reducing parts or technology after the manufacture of the original engine. A retrofit must use the greatest degree of emissions reduction available for the particular application of the equipment retrofitted that meets the cost-effectiveness threshold.

(13) “Scrap” means to destroy and render inoperable.

(14) “Truck” means a motor vehicle or combination of vehicles operated as a unit that has a combined weight that is greater than 14,000 pounds.