“When oil ran low, technology developed the pedicab.” —Frederik Pohl and Cyril M. Kornbluth, The Space Merchants
“Rediscovering the Handcart” [LOW←TECH MAGAZINE]1:
The human-powered handcart is the oldest of vehicles, and it will likely be the last one around in the future. Of all vehicles, it’s the cheapest and least complex to build and use. It offers a large advantage over carrying a load on your back or dragging it over the ground - the even older concept of the sled. On the other hand, the handcart is cheaper and easier to use than the animal-powered cart. Oxen and donkeys eat more than humans, and they have their own will, which can work against the driver.
There are still many human-powered carts in modern society: strollers, grocery carts, roller suitcases, and various utility and folding carts. However, these modern carts are to their predecessors what birds are to dinosaurs. They are small, often with very small wheels, and we use them for very short distances, usually inside buildings. In contrast, old-fashioned handcarts were often large and had big wheels, and they were pushed or pulled on roads and over longer distances. Many crafts and professions had their own type of handcart.
Unlike a van or a car, my handcart doesn’t need gasoline, electricity, or batteries, making it entirely independent from energy infrastructures. Neither do I need to pay taxes and insurance. The handcart is a very democratic vehicle. It allows anyone to carry a load wherever they want, while older, less affordable cars and vans are no longer allowed to enter city centers due to the installation of Low Emission Zones.
Low-tech Magazine’s handcart is 250 cm long and 100 cm wide, while the platform itself measures 210 by 85 cm. Assuming a load height of 50 cm, the cargo volume is roughly 1.55 m3 (37 cubic feet or 1050 liters). That’s two to four times the typical trunk space in a European car. We have transported cargo that is wider or longer than the cart: a large heated table measuring 140x140cm, and several loads of wooden beams, each three meters long.
Driving a handcart feels entirely different from using any other mode of transport. When people are walking, they usually cannot carry much with them, either in terms of weight or volume. In contrast, the handcart allows you to walk with a lot of stuff close at hand: drinks, food, a sound system, books, extra clothes. Furthermore, you have a large platform, which allows you to rest and invite others to do the same. It becomes a vehicle for wandering and roaming, and for connecting to other people.
The best part is last: They engineered a sail onto their hand-cart:

Not sure about that faux bad half-tone look, though!
NOTES
1 Great site slogan: “This is a solar-powered website, which means it sometimes goes offline.” Hmmm.
Comments
Does not matter much but for the sake of accuracy…
1.55 cubic meters is 1550 liters. Metric is nice and easy like that! FWIW 1550 liters of water (at 25 C and normal sea level pressure) weighs 1550 kilograms Though you would need a very sturdy cart and an extra strong body to move that much water.
They looked pretty sturdy.
Thanks for the clarification on metric. Metric is why Canada is so large, I suppose.

Handcarts