RELATED: Mobil 1 Technology Center
Each week the host of NASCAR.com's GarageCam presented by Mobil 1 will take an automotive technology question and get it answered by the experts in the NASCAR Sprint Cup Series garage.
This week in Fontana, host Matthew Dillner asked No. 4 Sprint Cup Series crew chief Rodney Childers how important fuel load is throughout a race.
Watch the video above to hear the answer, and be sure to tune in to GarageCam presented by Mobil 1 this week in Martinsville and see another question answered.
Nationwide Series GarageCam, presented by Mobil 1: 2:30 p.m. ET, Friday, March 28. (Watch here)
Sprint Cup Series GarageCam, presented by Mobil 1: 11:30 p.m. ET, Friday, March 28. (Watch here)
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