WWDiesel wrote:
Looks like this may be the next engine design put in use on the horizon?
The Achates opposed-piston engine The design, based on the Atkinson-cycle engine developed in 1882, eliminates cylinder heads and valve trains, reducing engine complexity and costs while improving efficiency.
It can be configured to run on a number of fuels, including gasoline, diesel, natural gas and various biofuels,
http://achatespower.com/Except it needs 2 crankshafts tied together by gears, a supercharger, and likely a turbo, so its not really less complex. They put one in an F150 test platform. Its funded by Saudi Aramco if that tells you anything. I think its a last ditch effort to keep ICE relevant since all the auto MFG's are investing heavily in electric, but its been around a LONG time and clearly has not been adopted by the MFG's for some reason. I think there was even German bomber in WWII that used this type of engine, so its not like the technology wasnt there.
This is where it is heading though. The diesels have become too complex with the emissions equipment, and dont offer enough efficiency benefits over GTDI's to make it a worthwhile investment for your average consumer. This doesnt apply to the guy who's gunna do a full delete and tune and take the risk of being fined $10000. But thats a small percentage of the consumer base and the MFG's dont care about those people. Look at the new L5P duramax. Word is they may not be able to crack the encryption on the ECU. GM doesnt want people deleting/tuning their trucks.