other winter tips
To keep fuel economy from falling severely in the winter, there are lots of little steps you can take.
- use the factory block heater - don't idle the engine
- consider adding a transaxle heater
- add a partial or fulle grille block (aerodynamic benefit as well as thermal benefit)
- avoid short trips where the drivetrain doesn't fully warm up -- combine trips if possible
- make sure your tires are properly inflated (as ambient temp drops = pressure falls in tires)
- consider converting the factory CAI to warm air intake for cold months
- clean all snow & ice from the body - especially roof (aero penalty from increased frontal area & drag coefficient)
- turn off the A/C compressor if you don't need it when using the "defrost" setting (search the forum for more info)
- Really pay attention to your highway speed: aero drag is proportional to both speed as well as air density. You burn more fuel per each KPH increase in colder, dense winter air than in warm summer air.
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View my fuel log 2015 Micra S manual: 5.0 L/100 km ... 56.5 mpg (Imp) ... 20.0 km/L ... 47.0 mpg (US) ...