Complex sentence: More interest has been given to Reliants from January 2013 as the licensing was changed once again, now if you have a full A category motorcycle licence and are over the age of 21 you may drive a 3-wheeled vehicle of any weight.
Split into simpler sentences: More interest has been given to Reliants from January 2013, as the licensing was changed once again. Now if you have a full A-category motorcycle licence and are over the age of 21 you may drive a three-wheeled vehicle of any weight.