Gallon Gallon The gallon () is a unit of measurement for volume and fluid capacity in both the US customary units and the British imperial systems of measurement. Three significantly different sizes are in current use: the imperial gallon defined as litres (4 imperial quarts or 8 imperial pints), which is used in the United Kingdom, Canada, and some Caribbean nations; the US gallon defined as 231 cubic inches (4 US liquid quarts or 8 US liquid pints) or about , which is used in the US and some Latin American and Caribbean countries; and the least-used US dry gallon defined
Gary Gallon political arena made him an authority on "Green" economics. In the early 1990s he became president of Montreal-based think tank called the Canadian Institute for Business and the Environment (CIBE) "filling" what he called the "knowledge gap" of protecting the environment based on the logic of economics. On July 3, 2003, Gary Gallon died after a long battle with cancer. He was 58. Gary Gallon Gary Thomas Gallon (October 1, 1945 – July 3, 2003) was a Canadian environmental activist and policy advisor. President of the Canadian Institute for Business and the Environment, and editor of "The Gallon Environment Letter",