Yes, it&#x27;s by (federal) law... specifically Federal Motor Vehicle Safety Standard 500<p><a href="http:&#x2F;&#x2F;www.nhtsa.gov&#x2F;cars&#x2F;rules&#x2F;rulings&#x2F;lsv&#x2F;lsv.html" rel="nofollow">http:&#x2F;&#x2F;www.nhtsa.gov&#x2F;cars&#x2F;rules&#x2F;rulings&#x2F;lsv&#x2F;lsv.html</a><p>Vehicles under 3000lbs and with a max speed of 20-25mph (like golf carts) do not have to meet the safety requirements of passenger vehicles.<p>This wikipedia page sums up the situation pretty well:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Neighborhood_Electric_Vehicle" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Neighborhood_Electric_Vehicle</a>