Smarter Cars for Clean Air

When Tesla's new Gigafactory is done being built, it will be the second largest building in the world. How many electric cars will the Gigafactory be able to produce in one year?

• 500,000 electric cars

• 1,000 electric cars

• 35,000 electric cars

• 250,000 electric cars

What problem of early electric cars is still a problem today?

• cost
• size
• noise
• all the reason listed

How are hybrid cars different from gasoline-powered cars?

• Hybrid cars us two sources of fuel.
• Hybrid cars cannot carry as many people.
• Hybrid cars are able to go longer distances.
• Hybrid cars are not as fuel efficient as gas-powered cars.

Some laws restrict the amount of harmful __________ that cars can put into the atmosphere as a result of burning fuel.

• breakthroughs
• emissions
• hybrids
• prototypes

How were car builders affected by the Clean Air Act?

• They looked for more oil.
• They were motivated to build better electric cars.
• They could no longer build gasoline-powered cars.
• They build more gasoline cars.

What might be different today if people had been using electric cars for the past one hundred years, rather than gasoline-powered ones?

• We might not have imported as much oil.

• We might not have as much air pollution.

• We might need to generate more electricity.

• All of the reasons listed.

What is the benefit of electric cars over gasoline-powered cars?

• They are safer.
• They are sold at a cheaper cost.
• They can be powered by energy from renewable resources.
• They can go faster.

If something uses little fuel and makes no waste, it is ______________.

• flamboyant
• efficient 
• dangerous
• pungent

What is true about hydrogen?

• Hydrogen is hard to get.

• Hydrogen is difficult to store safely in a car.

• Hydrogen can power fuel cells that provide electricity for electric cars.

• All facts listed are true.

Which of the following was not a reason why steam cars were less popular than electric cars?

• Steam cars took a long time to start.
• Steam cars could only travel a short distance before needed more water.
• Steam cars had a noisy engine.
• Steam cars didn't provide as smooth a ride as electric cars.