Before this crisis, no one really gave much thought as to how much fuel they’d used up on a road trip, especially in diesel vehicles, knowing they were a good balance of power and economy. Now that fuel prices had gone up, we’re all watching our fuel efficiency figures.I was invited to check out the Overland Kings’ OK Campout at Crystal Beach in Zambales some weeks back and that weekend, I had the Mazda BT-50 4x4 Pangolin Edition pickup. It seem…