HOUSTON, Jun 16, 2010 (BUSINESS WIRE) — National Clean Fuels (PinkSheets: NACF) announced today that it will conduct a Forward Split of its common stock on the basis of four shares for each one share held by shareholders on the date the forward split becomes effective.  This means that if you hold 1,000 shares on the day prior to the forward stock split, you will automatically have 4,000 shares...