What is a primary environmental benefit of public transportation mentioned in the text?

• Increased greenhouse gas emissions
• Reduced air pollution
• More individual cars on the road
• Higher fuel consumption

Public transportation can be more cost-effective than owning a personal vehicle.

What is one social benefit of public transportation?

• Increased traffic congestion
• Reduced opportunities for social interaction
• Provides mobility for those who cannot drive
• Requires personal vehicle upkeep

According to the text, public transportation can lead to increased traffic congestion.