The amount of co2 that Harry's vehicle would release to the atmosphere in a year is 12,000 pounds.
The first step is to determine the gallons of gasoline that the car would need in a year: 15,000 / 25 = 600 gallons
The second step is to determine the total emissions when the car uses 600 gallons: 600 x 20 = 12,000 pounds
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