In the past several years, one of the topics covered in detail on these pages has been the surge in such gimmicks designed to disguise lack of demand and end customer sales, used extensively by US automotive manufacturers, better known as "channel stuffing", of which General Motors is particularly guilty and whose inventory at dealer lots just hit a new record high. But did you know that when it comes to flat or declining sales and stagnant end demand, channel stuffing is merely the beginning?Presenting...Where the World's Unsold Cars Go To Die (courtesy of Vincent Lewis' Unsold Cars)Above is just...