$2.50 for Gasoline, $3.00 for diesel.
Gas 20 MPG; 15 gal for 300 mile trip costing $37.50
Diesel 28 MPG, 10.714 gal for 300 mile trip costing $32.14
Not enough difference to account for the noise of a diesel... :-)
OH, and in harsh winters, Diesel gel's up. Had that happen to our tractors... even with the "right" fuel and additives.