1 tank of gas = 232kg of corn = feed a child for a year

Back in the days I was growing up in India, a primary national goal was for our country to be self-sufficient in food, so we could forever leave behind the famines of the past. This was achieved thanks to M.S.Swaminathan and others, but now in our "flat world", self-sufficiency has come to be seen as quaint and old-fashioned. But these stories show why it is absolute suicide for a nation of any size to not be self-sufficient in food...
Global warming rage lets global hunger grow
UN body urges agriculture reforms to stave off food crisis
Food and the spectre of Malthus

Endless war on the installment plan