Wireless Week reports that Wi-Fi access will be available to some commuters in California. PointShot Wireless and California rail operator Altamont Commuter Express (ACE) will kick off a three-month trial in mid-September, giving ACE riders with Wi-Fi enabled laptops or PDAs the ability to access the Internet, email, corporate intranets, instant messaging and digital entertainment while on a train. The service will be free during the three-month trial.