According to the European Environment Agency, 93% of global greenhouse gas emissions from transport came from road transport in 2004.
It is estimated that the total logistics costs associated with delivering a $3.60 box of cereal from the field to the consumer’s table is about $.37 in the U.S.. The net retail profit is about $.05. (U.S. Energy Information Administration)
The total transportation diesel fuel consumption in the U.S. is as much as 0.34 million barrels per day. (U.S. Energy Information Administration)