How often must vehicle emissions be tested in Connecticut?

In Connecticut, vehicle emissions must be tested every two years to ensure that vehicles comply with environmental standards. This biennial requirement is part of the state's efforts to reduce air pollution and improve air quality. By conducting emissions tests regularly, the state can identify vehicles that may be emitting excessive pollutants and encourage maintenance or repairs to mitigate their environmental impact.

The two-year interval allows for a balance between ensuring compliance with emissions standards and providing vehicle owners sufficient time to maintain their vehicles. This frequency also helps to ensure that the vehicles on the road are as clean and efficient as possible, contributing to public health and environmental sustainability. Regular emissions testing is a crucial measure in monitoring the overall effectiveness of pollution control efforts within the state.