We fill our cars with gas regularly, but don’t even see the liquid go into the tank.  If we were to imagine that we had to fill a backpack with the fuels required for a day of our lives, what would we be filling our energy back-pack with each day?

Each day the average american sets out with:

OIL = 10.81    L/Person/day
COAL = 9.54    kg/person/day
NATURAL GAS = 5.88    m^3/person/day

Which roughly converted to those other units is around 22 Pints of oil per day (one per hour!), 22 pounds of coal (another per hour) and 180 cubic feet of natural gas.

I used the annual consumption of coal and natural gas, and the daily consumption of oil, and converted it to the daily average by dividing it out by the population of the US.

The data is here: http://spreadsheets.google.com/pub?key=tEXpAv8VzEvgO5lNqze0JNw&output=html