Green transportation at 7500l of fuel per hour
If I were to tell you that a vehicle that burns nearly 8000 litres of heavy fuel oil during each hour of operation was green, you’d probably laugh at me, so let me qualify that statement.
There’s a new design of 2 stroke turbocharged diesel engines made by the Wartsila Corporation, that will be used in super large container ships. These engines make use of common rail diesel technology which enables them to be amongst the most efficient internal combustion engines available. The Wärtsilä-Sulzer RTA96-C can achieve efficiency of over 50%, which means that more than half of the energy available in the fuel is being converted into motion. Now if you compare that to most car engines which are 25%-30% efficient, you see that the RTA96-C is green (after a fashion).
Some other innteresting facts: one of these engines in the biggest (14 cylinder) configuration weighs 2300 tons, is five storeys high, and produces over 80MW (80 000kW!) of power.
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