Diesel cav muaj qhov zoo ntawm cov thermal efficiency siab, thiab lawv daim ntawv thov ntau yog ua dav thiab dav.
Raws li qib ntawm kev ntxiv dag zog ntxiv, qhov hnyav ntawm ib chav tsev lub zog ntawm lub cav diesel kuj tseem txo qis. Txhawm rau txuag hluav taws xob, cov teb chaws tab tom tsom mus rau kev txhim kho cov txheej txheem sib xyaw thiab kawm txog kev siv cov roj tsis zoo thiab cov khoom tsis yog roj av.
Tsis tas li ntawd, txo qis kev sib txhuam, dav siv cov pa roj turbocharging thiab nce qib ntawm supercharging, ntxiv lightening, kev kub ceev, tsis tshua muaj roj noj, tsis muaj suab nrov thiab tsis muaj kuab paug yog tag nrho cov tseem ceeb txoj kev loj hlob cov lus qhia rau diesel xyaw.