what are the ways for modern diesel engines to save energy and reduce emissions?
 
| Engine Application Truck | Engine Category Cummins | 
| Engine model | Engine type | Displacement | Rated Power | Peak Torque | Emission Standard | 
|---|---|---|---|---|---|
| L375-30 | 6 cylinders in line | 8.9 L | 276KW(375 HP)@2200rpm | 1480N.m @ 1400 rpm | Euro Ⅲ | 
| L340-30 | 6 cylinders in line | 8.9 L | 250KW(340 HP)@2200rpm | 1350N.m @ 1400 rpm | Euro Ⅲ | 
| L325-20 | 6 cylinders in line | 8.9 L | 239KW(325 HP)@2200rpm | 1230N.m @ 1400 rpm | Euro Ⅱ | 
| L315-30 | 6 cylinders in line | 8.9 L | 230KW(315 HP)@2200rpm | 1180N.m @ 1300 rpm | Euro Ⅲ | 
| L300-20 | 6 cylinders in line | 8.9 L | 221KW(300 HP)@2200rpm | 1180N.m @ 1400 rpm | Euro Ⅱ | 
| L290-30 | 6 cylinders in line | 8.9 L | 221KW(290 HP)@2200rpm | 1180N.m @ 1400 rpm | Euro Ⅲ | 
| L270-30 | 6 cylinders in line | 8.9 L | 199KW(270 HP)@2200rpm | 1150N.m @ 1400 rpm | Euro Ⅲ |