Ubco, a New Zealand company, have developed a 2 wheel drive electric farm bike. Has the role and capabilities of an Ag bike. Runs by two electric motors (one on each wheel). Although designed as a general farm bike it hasn't taken hunters too long to discover the advantages of quiet running.
https://www.youtube.com/watch?v=Etzh1XKflOwI believe they have distributors in the US, however may be more expensive than you're looking for.
