Since 1976 EPA has enforced the Environment Protection (Vehicle Emissions) Regulations relating to air pollutant and noise emissions from motor vehicles. These regulations cover evaporative fuel and exhaust emissions and prohibit tampering with anti-pollution equipment.
At a national level EPA helps develop and implement new Australian Design Rules (ADRs) for new vehicles and national fuel quality standards.
As a result of the improvements in ADRs, newer cars emit significantly less pollution than older ones. The chart on this page shows how emissions of volatile organic compounds (VOCs) and nitrogen oxides (NOx) have progressively decreased since 1976.
EPA also implements initiatives based on the National Environment Protection Measure for diesel vehicle emissions (Diesel NEPM). This program has led to construction of a test facility for trucks and buses in Port Melbourne.
National air quality standards such as the National Environment Protection Measures for ambient air quality (Air NEPM) and air toxics (Air Toxics NEPM) also take into account the latest understanding of the effect of transport-related air pollutants on human health.
EPA investigates locations where air quality may be affected by motor vehicle emissions. We make our monitoring results and expertise available to help reduce the impact of motor vehicle emissions.