As of press time, the national average price of gasoline is $2.87 a gallon, up 49% from $1.92 a year ago, according to the AAA, when the pandemic lockdowns were in full force, stifling fuel consumption. Diesel is $3.08, up 20% from $2.56 this time last year. And several industry analysts believe gas prices could reach $4.00 a gallon in some states by summer. California, the most expensive market, is already at $3.92. With fuel being one of your biggest expenses as an expedit...