Good exercise only requires your setting aside some time, and generally that time is returned to you from the extra energy boost in your day. (debtmerica.com)
While carbs may be useful for boosting of the energy levels during a busy day or an intense workout, they can be a destructive force in your diet later in the evening. (fitnessandpower.com)
An electric motor generates the right amount of boost for the speed being driven. (ausmotive.com)