[hollerith]

Sure, but it is also true that food that is healthy for people is an absurdly expensive form of energy compared to gasoline.

[wolverine876]

If we make free the largest costs of gas, greenhouse gas emissions.

[hollerith]

Even if we count the cost of the co2 emissions: it probably takes more petroleum products to grow the food for the walking delivery workers than it takes to fuel the delivery truck.