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it was a really fun side project and I think a lot of people could use it to their advantage.
"I’ve got a 4.5 ltr pickup truck and I want to improve the gas milage"
give me a break, why in the heck would anyone use gas to run a truck. gas engines are good for low torque high bhp applications, diesel is good for high torque low bhp applications, the rest of the world figured this out ten years ago. other than that, Americans have few options, your fuel is pretty low grade so tuning the ecu won't help a whole lot. changing gear at around 1500-2000 revs will help, but not a huge amount.
crome is freeware developed my john cui, the parts modify to a stock obd1 honda ecu come out to 15 bucks, and that alows you to run custom programing. and yeah it may not be cost effective for some. but i get an average of 31-32 mpg and can still run a very low 14 sec to high 13 second quarter mile . .
Under the Hood of the First Real Fuel-Cell Car by Bryn Nelson
You could drink the exhaust of the Honda FCX Clarity. The four-door sedan - the first hydrogen fuel-cell car available to the general public - emits only water. Powered by the electricity generated when hydrogen and oxygen combine to form H2O and with upholstery fabric made of fermented corn, the Clarity sure sounds green. But is it the “zero-emission sedan of the future,” as Honda claims?
Not yet. Most hydrogen fuel is derived from natural gas in a process that releases plenty of carbon dioxide, so the car and its 134-horsepower electric motor fall short of being footprint-free. Still, fueling a vehicle like the Clarity emits less than half the CO2 released by its gas-guzzling counterparts for a given distance, says John Turner of the National Renewable Energy Laboratory in Golden, Colorado. The Clarity’s fuel efficiency equivalent of 68 miles per gallon clobbers even the feel-good 48 mpg of the Toyota Prius, and the car can go 270 miles on a $20 tank.
Just don’t plan on taking it cross-country anytime soon. Honda begins leasing the Clarity this summer ($600 a month, with limited availability) in Santa Monica, Irvine, and Torrance, three Southern California communities with rare access to hydrogen fueling stations. The company is working toward a greener, more abundant hydrogen supply line; a research station at its R&D headquarters turns water into fuel using solar power. The downside? It refuels only one Clarity a day.
Discover Magazine for July, 06.08.2008
The following are common sense ways to cut the cost of driving.
1) reduce idle time
2) accelerate slowly
3) try to drive 5 mph below the posted speed limit - but not on interstate highways.
4) decelerate slowly
5) change air filters 1 time each year or every 12-15,000 miles
6) unload you trunk and car. It takes fuel to overcome inertia.
7) try to plan your usage to achieve maximum efficiency
8) check tire pressures; you can safely raise pressures to 35 psi
9) check brakes to be sure you are not “dragging” a brake. You need to raise your car and rotate each wheel independently.
10) fill up in the morning. Some people think this helps.