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In East Tennessee, several different types of hybrid AFVs are used.
  
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Fleets: 
Now 
ATTI 
Big South Fork National River & Recreation Area 
CARTA 
City of Knoxville 
City of Maryville 
City of Sevierville 
Great Smoky Mountains Nat'l Park 
KAT 
Knox County 
Knoxville Utilities Board 
Public Building Authority (Knoxville) 
TVA 
 
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                First, there are hybrids that don't plug in. Examples include light-duty vehicles, like the Toyota
                Prius and Honda Civic Hybrid, and heavier vehicles (examples include trolleys and buses). On
                the lighter side, several organizations are purchasing Prius' and Honda Civics for their fleets, but the
                largest quantity of these that are on the road are general consumers' hybrids. These hybrid vehicles are
                filled with gasoline and are not plugged in, but increase their operating efficiency by recovering
                braking energy as electricity and using it to assist powering the vehicle. The increase in fuel
                efficiency can be as much as a 100% increase (e.g., from 25 to 50 miles per gallon), which not only
                reduces foreign oil dependence but significantly decreases the vehicle's emissions.
  
                The local examples on the medium-duty side that are on the street are CARTA's 6 hybrid buses.
                These hybrids have been on the road for about 5 years, and are going strong!
  
                
                    
                        
                              
                            See images of KAT's new hybrid trolleys!
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                More of the light-duty type are coming, too. Ford expects to release it's hybrid Escape SUV this
                Fall, and Dodge is getting closer to releasing its hybrid Durango. A Ford F-150 hybrid is
                in the works, as is a Honda Accord hybrid, which may also come out this Fall!
  
                Then, there is another type of hybrid on the road: a multi-fuel hybrid. Like the new trolley's
                KAT is using, these vehicles are plugged in overnight to charge their batteries but run mostly on
                propane during their daily operating cycle. The also recharge their batteries by recapturing energy lost
                during braking while driving around town. The regional examples of these type hybrids, in addition to
                KAT's, include Sevierville and Gatlinburg. Sevierville is looking to start its mass transit system with
                all multi-fuel hybrids, and a demonstration project is taking shape in Gatlinburg that would put two
                such hybrid trolleys in use in the Great Smoky Mountains National Park for a six-month period.
  
                
                
 
  
                
                
                
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