Nevada Department of Motor Vehicles will begin enforcing stricter opacity
standards on exhaust from heavy-duty diesel trucks Jan. 1, 2003, according
to a statement. The standards apply in all counties to all trucks and buses
with a gross vehicle weight rating of at least 8,500 pounds.
department says the new limits are more in line with the Environmental Protection
Agency's opacity standards, recommended by most neighboring states. The
Nevada State Environmental Commission adopted the tiered limits in October,
but the state DMV had issued only verbal courtesy warnings through the
end of the year.
department says its goal is voluntary compliance. Fines are waived on a first
offense if the vehicle is repaired within 45 days.
from trucks with engines manufactured in 1991 or later must block no more
than 40 percent of the light passing through it. Engines made between 1977
and 1990 are held to a standard of 55 percent opacity. Engines made between
1970 and 1976 must meet an opacity standard of 70 percent.
families exempted by the California Air Resources Board are also exempt in
Nevada. Previously, all trucks with engines 1977 or newer were held to the
70 percent standard.
department conducts random testing at weigh stations and on the roadside.
For more information, visit the Nevada DMV Web site at www.dmvnv.com.