Question & AnswerQ&A (DENR ADMINISTRATIVE ORDER NO. 2000-03)
Section 51 of RA 8749 mandates the DENR to promulgate the Implementing Rules and Regulations of the Act within one year from its enactment.
DENR Administrative Order No. 14, Series of 1993 and DENR Administrative Order No. 98-46 are temporarily adopted with modifications to conform with RA 8749.
The DOTC shall enforce and implement provisions under Section 4 (items b, e, g, j), Section 8, and Sections 29-33, 41, and 42 of RA 8749.
The EMB provides technical assistance, training, and capability-building programs to DOTC, and certifies the conformity to standards of emission control and test equipment before use or introduction into commerce.
The Department is responsible for establishing emission standards, preparing integrated action plans, coordinating with other agencies, disseminating information, conducting studies, issuing orders and penalties to enforce compliance, and exercising powers necessary to enforce motor vehicle pollution laws.
Gasoline-powered motor vehicles and diesel-powered motor vehicles, including privately owned vehicles, public utility vehicles, rebuilt and imported used vehicles, based on specified schedules depending on vehicle type and use.
Privately owned vehicles undergo first inspection on the fourth registration year, then biennially until the twelfth year, and annually thereafter. Public utility vehicles and vehicles over 4.5 tons have annual inspections starting from the second registration year, and semi-annually thereafter.
Roadside pull-overs may involve emission testing using portable equipment or visual inspection using Ringelmann Chart for smoke density. Vehicles failing tests receive a charge and subpoena or repair order, and are prohibited from public road operation until compliance.
For mandatory inspections: Land Transportation Office (LTO) and accredited special testing centers. For random inspections: DENR regional offices, LTO, Metro Manila Development Authority, local government units, Philippine National Construction Corporation Special Team, and other authorized entities.
Fines not exceeding P200 for the first offense, P500 for the second, and P1,000 for the third and succeeding offenses, plus suspension of the vehicle's certificate of registration until compliance.