Making coffee while speeding down the Interstate is probably not a good idea, but there is a way to make espresso in your vehicle. Hardcore travelers may have one of those immersion heaters that plug into the 12V cigarette lighter, but now things have gotten modern with the Handpresso Auto, a bullet-shaped espresso machine designed to sit in a car’s cup holder and plug into its cigarette lighter receptacle.
It's $149.00 Eruos or about $200 US. It uses coffee pods and unless you also have a filtered water system also installed in your car, requires that you remember to bring along sufficient water for your brew and some cups, classical music optional.
Here's a video: