Maintenance Tips that save money and energyand wear and tear on your vehicle
Here are the items that most affect fuel economy.

AIR FILTERS. Make sure you change your air filter at the end of its recommended life span. Replacing a clogged air filter can improve a vehicle’s gas mileage by up to 10 percent, says the Energy Department.
Item: Check and replace Air filter FREE!

Gas Saving  -  Up to $0.40/gal saving 
Annual Car Savings-  $$226.40
Annual SUV Savings-$288.40
BRAKES. Improperly maintained brakes can result in unwanted drag. This unnecessary resistance can have the same effect as driving with a foot on the brake pedal: a dramatic drop in fuel economy.
Item : Drive sensibly

Fuel Economy_ Save up to 33%  
Gas Saving  -  Up to $0.20-$1.32/gal saving 
Annual Car Savings-  $735.80
Annual SUV Savings--$951.72
       
MOTOR OIL. Top off and change oil as necessary with manufacturer-recommended grade, “energy-conserving” motor oils. Doing so can improve fuel economy by up to 2 percent, according to EPA. Replacing conventional oils with synthetics may offer even greater fuel economy benefits.
Item : Recommend Motor Oil
                           
Gas Saving  -  Up to -0.08/gal saving 
Annual Car Savings-  44.48
Annual SUV Savings-57.68
TIRE INFLATION PRESSURE. Keeping tires inflated to at least the manufacturer-recommended pressure can improve fuel economy by up to 3 percent, says EPA. Under-inflated tires require more energy to roll, meaning more fill-ups.
Item : Tires not properly Inflated    
                        
Fuel Economy_ Save up to 3%   
Gas Saving  -  Up to $0.12/gal saving 
Annual Car Savings-  $67.92
Annual SUV Savings-$86.52
       

ENGINE PERFORMANCE. Enhance fuel economy performance by having engines tuned and spark plugs replaced according to the manufacturer’s recommended schedule. A single misfiring spark plug can cut fuel economy by up to 4 percent, says EPA.

Item : Engine properly tuned
Gas Saving  -  Up to $0.16/gal saving 
Annual Car Savings-  $90.56
Annual SUV Savings-$115.36

UNNECESSARY ITEMS THAT ADD WEIGHT TO THE VEHICLE. Unnecessary weight lowers fuel economy; remove heavy items from your trunk and backseat.

Item : Remove excess weight                           
Fuel Economy_ up tp100 lbs   
Gas Saving  -  Up to $0.08 gal saving 
Annual Car Savings-  $44.48
Annual SUV Savings-$57.68
       
Estimated Total Annual Dollar Savings: $1,656.86 for cars, $2,400.97 for SUVs