You don’t need an oil change every three to five thousand miles as recommended by Jiffy Lube.

I disagree: The increased lubricity you get from changing your oil will make up for the environmental impact of using more motor oil AND will pay for the oil change. At 20 mpg you'll burn $300 of gas in 2000 miles so it doesn't take much to negate the cost of the oil. Remember the oil isn't discharged into the air as carbon dioxide unless it's burned in which case it's displacing other fossil fuels.

If you see a red light up ahead, just take your foot off the gas and coast until you need to brake.

I disagree: By braking early you will reduce your speed earlier thus increasing your minimum speed which is really the only relevant factor. So brake early so you can maintain a higher minimum speed and still get to the light as it gets green.

Personally I think vehicles over a certain weight should have a lower speed limit especially since they use more fuel and are carrying more kinetic energy at equal speeds to lighter vehicles. Alternately do something to encourage more diesels. Or tax gas to maintain a price at 3.25 or 3.50. If we had had a $1.00 gas tax when it was otherwise 75 cents to 2 dollars we never would have had this shortage driven $3 gas we have now.

Dale