Terrain and road surface affect fuel economy

One of the things we learned during Run on Less, the fuel economy road show, was that many factors play a role in fuel economy.
We looked at things like weather, temperature and elevation during the three weeks of the Run. I did an earlier blog on the impact of winds as the Run took place during both hurricane Harvey and hurricane Irma.
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Source:: http://fleetowner.com/ideaxchange/terrain-and-road-surface-affect-fuel-economy