LANCASTER, Pa. - a guy who commutes to work on two wheels, not four, Chip Cargas encourages co-workers to do the same.He's found a few colleagues who would consider bicycling to work, if showers were available there.Late next year, Cargas hopes that feature will be a reality, after his firm moves to a new building proposed at the former Lancaster Stockyards.Employee showers and bike racks are among many "green" features to be included in the future home of Cargas Systems.At the same time, the $1.5 million building would position the firm for ...