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What can comfortably carry a 220-pound person at 18 miles per hour then fold down into a package small enough to fit in the trunk of practically any car?

A folding electric scooter, that's what. And the S2 Booster from E-Twow, marketed as Uscooter in the US, is our favorite so far.

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For starters, it's one of the few compact folding electric scooters with built-in headlights, taillights and a piezo horn so drivers can spot you in the dark.

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The 500-watt front electric motor doubles as the scooter's primary brake, and triples as a way to top up the battery with regenerative braking! Perhaps that's why it had miles more range than other scooters we tested.

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The top-mounted computer tracks your speed and mileage (or kilometers), and even offers cruise control.

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Here are the handy brake (left) and throttle (right) levers. There's also a power switch and buttons that control the horn, turn off the lights and clear the trip counter.

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This scooter has an all-important suspension system that lets you ride on the street -- not just the sidewalk -- without your teeth chattering. Not all of its rivals do. Here's the rear coil spring.

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Here's what the scooter looks like when it's fully closed -- nice and compact. It'll fit in the back of a Mazda Miata no problem, or a commuter train's overhead luggage rack.

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The handlebars fold right down and lock into the rear wheel's fender.

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Unfolding is a cinch. Just flip open the quick release lever, pull up on the handlebars and the spring-loaded pieces lock right into place.

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Folding isn't quite so easy, unfortunately. You've got to master your heel-toe action to tap this tiny red pedal.

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Another good reason to learn the heel-toe trick: When partially folded, this scooter can stand on its own.

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This 23.8-pound scooter isn't light and most of the weight is near the front. You won't want to carry it around for long.

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The wide deck gives you enough room to ride with two feet sideways, but you won't fit one in front of the other.

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Close-up of the front wheel. The fenders aren't quite as large as I'd like -- some water tends to hit me in the face when I ride in the rain.

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The rear fender doubles as an emergency friction brake that can contact the rear wheel directly. When you push down, it activates the front electric brake too. Smart!

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The S2 Booster costs $999, which converts to about £800 or AU$1,300.

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REVIEW

Meet the drop-resistant Moto Z2 Force

The Moto Z2 Force is really thin, with a fast processor and great battery life. It can survive drops without shattering.

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