No issues with electric cars being allowed to pit and change cells etc. but as twisty said the attraction is more of a noise and smell thing for me so I won't be rushing to buy one anytime soon.
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Losi Eight T - Nova Rossi P21-7T- Hitec 5955's & Spektrum + TeknoRC Losi 8ET - Neu 1515-1Y - MGM 16025 & Hitec 5995's.
RC Heli's - Align T Rex 600 Nitro Sport - X-Cell Spectra G gasser.