Can cold temperatures affect the mileage I get with EnviroTabs?
Yes, cold temperatures, in general, have a negative effect on fuel mileage. However, using EnviroTabs will still provide improvement but from a lower cold weather base line. If your original base line was done when the temperature was much warmer, be aware that your results will appear to be less impressive. Again, EnviroTabs is working 100% of the time, during warm and cold outside temperatures. In cold climates warming up your vehicle and letting it idle for extended periods of time plus using the heater will decrease your mileage, but that does not mean EnviroTabs is ineffective.
