# File lib/AWS/EC2/instances.rb, line 153
153:       def start_instances( options = {} )
154:         options = { :instance_id => [] }.merge(options)
155:         raise ArgumentError, "No :instance_id provided" if options[:instance_id].nil? || options[:instance_id].empty?
156:         params = {}
157:         params.merge!(pathlist("InstanceId", options[:instance_id]))
158:         return response_generator(:action => "StartInstances", :params => params)
159:       end