Energy Efficiency

What is the cost per year of gasoline for a Honda Insight (at the gas price used here)
The cost of gasoline for a Honda Insight car per year is $760
What is the cost for a vehicle that gets 20 miles per gallon?
Gas millage=20mpg
Miles driven per year = 15000
Cost per gallon= $3.8
Cost per year = (15000/20) × $3.8= $2850
How much more does it cost to run an Excursion, compared to an Insight for a year?
Ford Excursion cost per year
Miles per gallon= 12mpg
Miles per year= 15000
Cost per gallon=$3.8
Cost of running= (15000miles/12 miles per gallon)× $3.8= $4750 per year
Honda Insight Running cost
Miles per gallon= 75 mpg
Miles per year= 15000
Cost per gallon=$3.8
Cost of running= (15000miles/75 miles per gallon)× $3.8= $760
Difference in running cost
Ford Excursion running cost-Honda Insight running cost
$4750-$760= $3990
Raise the cost of gasoline by $1.00. How much does that change the annual gas cost of an Excursion? Of an Insight
Ford Excursion cost per year
Miles per gallon= 12mpg
Miles per year= 15000
Cost per gallon=$4.8
Cost of running= (15000miles/12 miles per gallon)× $4.8= $6000 per year
$6000-$4750= $1250
Honda Insight Running cost
Miles per gallon= 75 mpg
Miles per year= 15000
Cost per gallon=$4.8
Cost of running= (15000miles/75 miles per gallon)× $4.8= $960
$960-$760=$200 more
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