Last week's Los Angeles Auto Show brought more news about hydrogen fuel-cell vehicles than we've seen in a very long time.

The 2016 Toyota Mirai was unveiled--we drove it too--and Honda showed its latest design concept for what it's calling the FCV sedan.

Other makers too showed off experimental fuel-cell cars, including Audi and Volkswagen.

DON'T MISS: 10 Questions On Hydrogen Fuel-Cell Cars To Ask Toyota, Honda & Hyundai

Now, one fan of hydrogen fuel-cell cars has proposed a set of 10 questions that electric-car advocates should answer to justify their passion for plug-in electric cars over his preferred fuel-cell solution for zero-emission vehicles.

Jason Lancaster created his list in response to a piece published on Green Car Reports last month that proposed 10 questions for Toyota, Honda, and Hyundai to answer as they prepare their plans to roll out fuel-cell cars.

He prefaces the list by suggesting that the author of the "probably isn't a 'hater' [of hydrogen fuel-cell cars] per se," but notes that he feels that "a lot of fuel-cell criticisms coming from battery-electric vehicle advocates are completely and totally irrelevant."

2016 Toyota Mirai hydrogen fuel-cell car, Newport Beach, CA, Nov 2014

2016 Toyota Mirai hydrogen fuel-cell car, Newport Beach, CA, Nov 2014

Among Lancaster's questions are some that seem to presuppose a given answer--what in court might be called "leading the witness."

One, for example, asks why electric-car advocates "cling to a highly irrelevant electricity efficiency argument."

Another: "Shouldn't you ... acknowledge that a 'groundswell' of support is irrelevant when evaluating the efficacy of a particular technology?"

Part 1: Hydrogen Fuel-Cell Car Questions: Toyota, Honda & Hyundai Respond (Part 1)

Part 2: Hydrogen Fuel-Cell Car Questions: Toyota, Honda & Hyundai Respond (Part 2)

Part 3: Hydrogen Fuel-Cell Car Questions: Toyota, Honda & Hyundai Respond (Part 3)

In any case, we'll leave it to electric-car advocates to respond to the post, should they wish.

We note that, rather to our surprise, Hyundai reprinted our 10 questions (with our permission) and the responses it crafted to each of them as a handout for media at the LA Auto Show.

First 2015 Hyundai Tucson Fuel Cell delivered to lessee at Tustin Hyundai, June 2014

First 2015 Hyundai Tucson Fuel Cell delivered to lessee at Tustin Hyundai, June 2014

It subsequently turned its response into a post on its "Hyundai Like Sunday" corporate blog as well.

Meanwhile, our compilation of the collective responses from not only Hyundai but also Toyota and Honda subsequently made up three articles comparing and contrasting the companies' answers.

Each of those three parts generated quite a lot of comments on its own.

In fact, total comments on all four pieces of what became a series now more than 1,560.

Honda FCV Concept

Honda FCV Concept

We'd suggest that all of that seems to indicate a definite level of interest in discussing the issues around hydrogen fuel-cell vehicles--on many sides.

Bring on the discussions!

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