Kjell Aleklett: Our oily food

In one of his first speeches as USA

A large proportion of our time is dedicated to earning money for food and accommodation. Our National Food Administration recommends that we eat food providing 2,500 kilocalories (kcal) per day. Kcal is a unit for measurement of energy. To obtain and prepare this amount of food takes around five times as many kcal as in the food itself. This is provided by, principally, oil and natural gas. Agriculture, transport, preparation, trade and food preparation