mostly carbon monoxide, some carbon dioxide, and some water vapor
emissions
cars.
Cars 25 years old or older.
They have the emissions tested.
In measuring exhaust emissions.
they use less co2 emissions then usual cars. Common Eco cars are hybrid cars and electric cars
no
Hybrid cars have substantially lower exhaust emissions than normal cars and are better for the environment. Hybrid cars of all types get much better mileage per gallon of gas than normal cars.
Electric cars dont produce harmful emissions
After one year, all new cars bought must pass the emissions test in counties that require the test. Once a vehicle is 25 years old, the emissions test is no longer required.
Pollution/emissions, Fuel economy and safety.
cars damage the new forest by relesing carbon emissions that destroy trees