NASCAR's Greg Biffle on fuel conservation
Driver Greg Biffle discusses how NASCAR teams are dealing with the switch to electronic fuel-injection after 63 years of carburetors.
http://www.firstcoastnews.com/video/1492043217001/1101119391001/NASCARs-Greg-Biffle-on-fuel-conservation
http://videos.usatoday.net/29906170001/29906170001_1490329904001_th-1490325438001.jpg?pubId=29906170001
NASCAR's Greg Biffle on fuel conservation
Driver Greg Biffle discusses how NASCAR teams are dealing with the switch to electronic fuel-injection after 63 years of carburetors.
Greg BiffleNASCARsportsMotor Sportssports general
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