From Solar Cooking
Hot Pot Cart - Lowering the HotPot and lower reflector reduces storage area for a cart cooker, lowers center of gravity for possible better resistance to wind loads from upper lightweight reflectors. -
PV pergolas Square tube beam and natural round wood - www.PVO-Pergolas.com
Hotpot-type cookers with involute reflectors and wall supported one sided cpc non-imaging reflector
Solar Cooker Cart with Greenhouse Type Ovens
Glass glued to compressed stabilized earth block (CSEB) with thin amounts of silicone sealant on glass and CSEB.
Study model - Greenhouse type oven in lower nonimaging reflector frame
You will find many more of Joel Goodman's conceptual designs at http://solarcooking.org/Joel_Goodman.htm.