Alternative Fuels and Designs

What fuel has one of the simplest hydrocarbons, making it very clean burning?

propane

Technician A says that regenerative braking is when the electric motor acts as a generator capturing kinetic energy that would normally be lost as heat. Technician B says that hybrids don't need conventional brakes since they have regenerative braking methods. Who is correct?

Technician A

What level of automated system can perform all the driving tasks, under all conditions that a human driver could perform them?

full automation

E85 vehicles can burn a blended fuel that contains __________.

85% ethanol and 15% gasoline

The U.S. consumes about __________ gallons of gasoline per day.

385,000,000

Technician A says that bi-fuel vehicles are different from flex-fuel vehicles. Technician B says that a bi-fuel vehicle has two separate fuel storage and delivery mechanisms. Who is correct?

Both Technician A and Technician B

What types of vehicles were extremely popular with city dwellers in the early 1900s until low cost, reliable internal combustion engines were developed?

electric vehicles

What type of hybrid system, also known as a mild hybrid, combines the alternator and starter into one unit that is connected to the engine by a drive belt?

belt-alternator-starter (BAS) system

Which of the following fuels has an extensive pipeline system to many homes in the United States?

natural gas

What is the simplest, lightest, and most abundant element in the universe?

hydrogen

Technician A says that running a vehicle on propane emits more hydrocarbons than running a vehicle on gasoline. Technician B says that propane can be stored and transported easily in tanks under moderate pressure. Who is correct?

Technician B

In the United States, what source of energy from the following list produces more electricity than all the others at power plants?

coal

What type of gear set, also called a power split device, allows the electric motors and the internal combustion engine to work independently or together?

planetary

What is the process of running an electric current through water to separate the hydrogen from the oxygen?

electrolysis

Technician A says that gasoline has a higher energy content per volume than diesel. Technician B says that ethanol has a higher energy content per volume than gasoline. Who is correct?

Neither Technician A nor Technician B

Which of the following vehicles are currently mass-produced?

natural gas vehicles

Where does a hydrogen PEM fuel cell vehicle get its energy to power an electric motor?

from the flowing electrons

What is biodiesel?

renewable resource made from animal fats, vegetable oils, or recycled cooking grease

Technician A says that a hybrid has multiple sources of power. Technician B says that even though hybrids get better fuel economy, they emit more pollution. Who is correct?

Technician A

In a hybrid system, what type of drivetrain system is it when the vehicle's wheels are powered only by an electric motor/generator?

series