A “more than 3/4...” (lines 16) refers to the quantity of fossil fuels reserves consumed along the year.
B “...over 43.4 percent...” (line 18) refers to the share that oil represents in the overall quantity of energy consumed globally.
C “15.6 percent” (lines 19-20) refers to the amount of natural gas resources annually consumed in North America.
D “8.3 percent” (line 20) refers to the share of coal used only for heating American homes.
E “...nearly 25 percent...” (line 21) indicates the percentage of fossil fuels saved in North America.