Prompt Delivery Vs. Planetary Collapse

Not being overly obsessive, and facing definite time constraints, I don't utilize all the methods advocated by the manic hypermilers, but if given a proper chance I probably would. Taking off from a dead stop under electric power alone gives me a thrill, and using the pulse and glide technique to keep my average mileage above 50 per gallon makes me feel like a hero, but, as it is, if a client needs something done quickly I am sometimes forced to FULLY DEPRESS THE ACCELERATOR! I feel bad about that, but there it is. I am driving the line between prompt delivery and planetary meltdown, people, and I'm doing it for you.