2020 TOYOTA RAV4

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Right about the time I’d passed 30 miles of all-electric driving with the RAV4 Prime plug-in hybrid, I knew this experience was going to be different. There was plenty of charge left.  With an expected EPA-rated 42-mile range from a big 18.1-kwh battery pack, the RAV4 Prime promises to transport commuters to work and back again without tailpipe emissions or the need to find another charge along the way. And then it becomes a 38-mpg hybrid after running through the charge, That and the Prime's suggested availability across the U.S., not just in California or a few select states, means it picks up right where the Chevy Volt left off .  Even better, it is the hottest crossover in these crossover-crazy times. The RAV4 is not only the top-selling SUV in the U.S. market for three years; the RAV4 Hybrid was also the top-selling hybrid in America last year—handily outselling the Toyota Prius.  The Prime finally checks nearly all the tech and special-needs boxes....

Hyperloop

A Hyperloop is a proposed mode of passenger and freight transportation, first used to describe an open-source vactrain design released by a joint team from Tesla and SpaceX. Hyperloop is a sealed tube or system of tubes through which a pod may travel free of air resistance or friction conveying people or objects at high speed while being very efficient, thereby drastically reducing travel times over medium-range distances.

Elon Musk's version of the concept, first publicly mentioned in 2012,incorporates reduced-pressure tubes in which pressurized capsules ride on air bearings driven by linear induction motors and axial compressors.

Hyperloop Alpha concept was first published in August 2013, proposing and examining a route running from the Los Angeles region to the San Francisco Bay Area, roughly following the Interstate 5 corridor. The Hyperloop Genesis paper conceived of a hyperloop system that would propel passengers along the 350-mile (560 km) route at a speed of 760 mph (1,200 km/h), allowing for a travel time of 35 minutes, which is considerably faster than current rail or air travel times. Preliminary cost estimates for this LA–SF suggested route were included in the white paper—US$6 billion for a passenger-only version, and US$7.5 billion for a somewhat larger-diameter version transporting passengers and vehicles—although transportation analysts had doubts that the system could be constructed on that budget; some analysts claimed that the Hyperloop would be several billion dollars overbudget, taking into consideration construction, development, and operation costs. 

The Hyperloop concept has been explicitly "open-sourced" by Musk and SpaceX, and others have been encouraged to take the ideas and further develop them. To that end, a few companies have been formed, and several interdisciplinary student-led teams are working to advance the technology.SpaceX built an approximately 1-mile-long (1.6 km) subscale track for its pod design competition at its headquarters in Hawthorne, California.

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