Read the following supporting details.
• The greatest contributor to air pollution is private vehicle use.
• Each vehicle is estimated to stay on the road for roughly 12 to 15 years.
• Hybrid cars combine a gasoline engine with a battery-powered electric motor.
• Hybrid cars are proven to reduce emissions by up to 90 percent.
Which thesis statement do these details support?
A Hybrid cars are an effective strategy to fight pollution.
B The nation should focus on using mass transit systems.
C Cars generally have a long lifespan.
D Cars are a large source of air pollution.