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Chapter 11: Problem 20

What two basic approaches are needed to reduce our use of transportation fuels? Give an example of each.

Short Answer

Expert verified
The two basic approaches to reduce our use of transportation fuels are 1) increasing fuel efficiency and 2) reducing the demand for transportation. An example of increasing fuel efficiency is the production and use of hybrid vehicles, like the Toyota Prius, which combines gasoline and electrically powered engines for better fuel efficiency. On the other hand, reducing the demand for transportation can be achieved through the development of efficient public transportation systems, such as the New York City Subway, which provides a reliable and cost-effective alternative to personal vehicles.

Step by step solution

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1. Increasing Fuel Efficiency

To increase fuel efficiency, we must implement technologies and practices that help vehicles consume less fuel for traveling the same distance. This can be done through technological advancements, proper maintenance, and driving habits. A common method for improving fuel efficiency is using lighter materials in vehicle production, which reduces the weight of the vehicle and requires less energy to move. Example: Hybrid vehicles, such as the Toyota Prius, use a combination of gasoline and electrically powered engines to achieve better fuel efficiency compared to conventional gasoline-powered vehicles.
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2. Reducing the Demand for Transportation

Reducing the demand for transportation involves the use of alternative modes of transportation, urban planning, work from home schemes, and promoting ride-sharing or carpooling. These methods help lessen the need for single-occupancy vehicles, which contribute to increased fuel consumption. Example: The development of public transportation systems such as buses and trains can significantly help reduce the use of personal cars, consequently decreasing the consumption of transportation fuels. Public transport systems like the New York City Subway help reduce the number of cars on the road by providing an efficient, reliable and cost-effective alternative to personal vehicles.

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