what are the ways for modern diesel engines to save energy and reduce emissions?
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   Engine Application 
              Truck 
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   Engine Category 
              Weichai 
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   Tags 
          
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| Model | Rated Power/ Speed | Maximum Torque / Speed(N.m/rpm) | Valve Number | Displacement(L) | 
|---|---|---|---|---|
| WP12.430E201 | 316/1900 | 2000/1000-1400 | 4 | 11.596 | 
| WP12.400E201 | 294/1900 | 1800/1000-1400 | 4 | 11.596 | 
| WP12.375N | 276/1900 | 1800/1000-1400 | 4 | 11.596 | 
| WP12.400N | 294/1900 | 1920/1000-1400 | 4 | 11.596 | 
| WP12.430N | 316/1900 | 2060/1000-1400 | 4 | 11.596 | 
| WP12.460N | 338/1900 | 2110/1000-1400 | 4 | 11.596 | 
| WP12.375E40 | 276/1900 | 1800/1000-1400 | 4 | 11.596 | 
| WP12.400E40 | 294/1900 | 1920/1000-1400 | 4 | 11.596 | 
| WP12.430E40 | 316/1900 | 2060/1000-1400 | 4 | 11.596 | 
| WP12.460E40 | 338/1900 | 2110/1000-1400 | 4 | 11.596 | 
| WP12.375E50 | 276/1900 | 1800/1000-1400 | 4 | 11.596 | 
| WP12.400E50 | 294/1900 | 1920/1000-1400 | 4 | 11.596 | 
| WP12.430E50 | 316/1900 | 2060/1000-1400 | 4 | 11.596 | 
| WP12.460E50 | 338/1900 | 2110/1000-1400 | 4 | 11.596 | 
| WP12.460E63 | 338/1900 | 2200/(1000-1400) | 4 | 11.596 | 
| WP12.430E63 | 316/1900 | 2100/(1000-1400) | 4 | 11.596 | 
| WP12.400E63 | 294/1900 | 2000/(1000-1400) | 4 | 11.596 |