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GVWR ≥14,000 exempt, as are full time four wheel drive light duty diesels with a wheelbase ≥182 inches. Annually. Light duty diesel emission inspections are conducted by using an opacity meter and dynamometer. A visual inspection for tampering of emission control devices is also part of the inspection procedure. Emissions testing is ...
Oregon – required only (1975 and newer) in the Portland, Eugene and Medford metro areas [44] Pennsylvania [16] – annually for most vehicles under 9,000 pounds (4,100 kg) GVW. Required in 25 (out of 67) counties. Diesel-powered vehicles are exempt from emissions inspection. [45] Rhode Island – biennially.
The Oregon Department of Environmental Quality (DEQ) is the chief regulatory agency of the government of the U.S. state of Oregon responsible for protecting and enhancing the state's natural resources and managing sanitary and toxic waste disposal. The agency employs approximately 700 scientists, engineers, technicians, administrators, and ...
AB 42 exempted vehicles manufactured before 1978 from smog check testing. Also required that vehicles 20 years old or older be exempt from the Smog Check program starting in 2004. AB 42 established a brief rolling chassis exemption until it was repealed in 2006 where 1976 and newer vehicles were subjected to emission testing.
The DEQ is delaying the timeline it previously provided for soil cleanup of the first seven homes contaminated by J.H. Baxter wood processing plant. Oregon DEQ adjusts timeline for cleanup of ...
Separate quotas and blending requirements are determined for cellulosic biofuels, biomass-based diesel, advanced biofuels, and total renewable fuel. Exemptions for small producers are considered when calculating blending ratios. [3] [6] Advanced biofuels are required to meet stricter air pollution requirements than regular corn-based ethanol. [7]
The legal battle has now gone all the way to the U.S. Supreme Court, which is scheduled to hear arguments in the case on April 22. The decision could affect how cities nationwide address ...
The Oregon Department of Transportation (ODOT) is a department of the state government of the U.S. state of Oregon responsible for systems of transportation. It was first established in 1969. [ 1 ] It had been preceded by the Oregon State Highway Department which, along with the Oregon State Highway Commission, was created by an act of the ...