With the ongoing debate and concern over NOx and other emissions from automotive, industrial, power generation and marine diesel engines the global regulations on emissions are a moving scene that affects fuel refineries and suppliers, engine manufacturers, lubricant blenders and catalyst manufacturers.

Lubrication Explained is a no-nonsense YouTube channel by an Australian engineer – we have shown a video here that we found very helpful.

Have you ever wondered what the firing sequence and actual appearance and dramas inside an internal combustion engine look like?

Destin at Smarter Every Day also had always wondered and – having access to a very high speed camera – visited some engineers in the north west USA to see a Briggs & Stratton petrol engine that has a transperant cylinder head!

This means all four strokes of the fuel, spark, compression, power, and exhaust strokes can actually be photographed on video – quite incredible! Please see this below: