Jeremy's assertion that getting fuel in the morning will net you more fuel because it's denser in the cool morning than the hot afternoon has been repeatedly disproved. The gasoline (petrol) in underground tanks maintains a steady temperature regardless of the outside air temperature.
There was a scoring error in the Car Darts competition occurred. James May clearly hit the 5 ring with his second car but the tally after the second round shows that he was not given credit for it. However it made no difference has Hammond hit the bulls-eye with his last car.