Once the drinking session concluded, participants received a glass of water and spent the night under medical supervision at the testing facility.

It follows months of coronavirus delays and introduction of safety procedures, including a drive-through testing facility, enable the cameras to roll again.

He oversaw early work on catalytic converters, the installation of a purpose-built exhaust emissions testing laboratory, a noise testing facility and research into fuel economy.

To receive a type approval, products may either be brought to a testing facility or manufacturers may opt to maintain their own testing equipment.

There was also a huge torpedo testing facility.