To better meet the needs of customers shipping to Haiti from the Dominican Republic and South Florida, Crowley Maritime Corp. has enhanced its liner container shipping services by renewing its second fixed-day sailing to Port-au-Prince from Rio Haina and Port Everglades starting this week. After the 2010 earthquake in Haiti, Crowley reduced its twice-weekly service to Haiti to a single port call on Mondays due to infrastructure damage and resulting deterioration in the port's service capabilities. Now that the infrastructure has been repaired and those capabilities have been restored, customers once again will have the valuable option…