Cars

Can traffic generate electricity? © Getty Images

Future Technology

Can traffic generate electricity?

How can I cut my car's fuel consumption? © iStock

Future Technology

How can I cut my car’s fuel consumption?

Why do diesel engines have a characteristic rattle? © iStock

Future Technology

Why do diesel engines have a characteristic rattle?

What's the most energy-efficient car wheel size? © Getty Images

Future Technology

What’s the most energy-efficient car wheel size?

Why don't cars use carbon capture? © Getty Images

Future Technology

Why don’t cars use carbon capture?