The cons: Diesel engines are very durable, which means that very
dirty old trucks are still on the road, they generally produce more smog - forming emissions (NOx, PM, etc), they are more expensive than gasoline engines, and they can be noisier and smellier (though recent models have made lots of progress there).
Not exact matches
These included the Clean Truck Program, which replaced the port's fleet of
old,
dirty diesel
trucks with EPA - compliant vehicles equipped with particle filters, and electrifying the ports so ships can just plug in to power their infrastructure while at the dock.
Trucking companies, therefore, have finally agreed with the plan, and this October will begin replacing their
oldest, most inefficient and
dirtiest trucks.