NGK makes fantastic plugs that produce excellent spark for your engine.
According to AAA the best gas mileage calculator is their own. The AAA gas mileage calculator is easy to use, and very accurate for the customer to feel safe in the miles driven on a certain amount of gas.
Gas mileage will depend a lot on how the SUV is used. Finding the SUV with best gas mileage to suit your individual needs is quite easy when you use one of the comparison sites.
A good place to find information regarding gas mileage for 2013 trucks would be online at www.fueleconomy.gov. You can also use other sites such as www.intellichoice.com and www.consumerreports.org
To get the best gas mileage that you car can give you, be sure to keep your engine tuned, keep your tires inflated, use the right grade of motor oil, don't drive aggressively, use cruise control and remove excess weight in your vehicle.
Yes, higher octane gas does give higher gas mileage for your car. However, the increase in gas mileage may not as great as the increase in the price of the higher octane gas.
what method would I use to determine the difference between hybrid car verses gas car
Not unless the engine using it was specifically designed for it. Gas mileage takes many things into consideration, and if a car is designed to use standard octane gas, the use of high octane gas will not increase the car's mileage - it is just a way of figuratively blowing dollar bills out of the tailpipe.
In regard to Cruise, your best mileage will be to use it while you are highway driving. You can save quite a bit of gas in city driving by doing slower accelerations from stops.
All hybrids will improve gas mileage. They are very environmental friendly. Not only that bus they use less gas. You wouldn't have to worry about putting as much gas in it as a regular car!
Sparkplugs are almost universal, because of the way sparkplugs work and the way they are shaped the same, it means you should be able to use "standard" sparkplugs.
I am not sure, it is best to contact your local automotive store and ask them if you can, otherwise I there is an AAA calculator that you can use for the brand of SUV you are using.
you get less gas mileage