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Questions tagged [fuels]

Use this tag when discussing chemicals for use in powering any variety of technology. Fuels may include anything from unleaded gasoline to radioactive elements, coal, oil, or even whale fat.

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3
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6answers
714 views

is there other possible/exotic fuel for fire other than common/normal oil/fuel? [closed]

so my question was VTC because it was considered as setting so i guess i need to remove the reason part (i dont think it harm much to the already answered part), if some of you curious about the ...
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6answers
349 views

Scientifically accurate fuel for a small spaceship

I'm designing a small two-person spaceship for use in battles in space. It is set around the year 2100. It would be around the size of a tank (approx. 50 tons). It would need to be fast and easy to ...
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3answers
143 views

What are the chances of national superpower declaring war and launching nukes at each other over remaining petroleum reserves? [closed]

I am a fan of the movie Mad Max: Fury Road. In the beginning of the movie, people speak of "Oil Wars" and people "Killing for Guzzolene (Gasoline)". But what are the odds of that happening? And could ...
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1answer
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Can human remains be turned into crude oil?

I have a potential sub-plot in a story that takes place in the not too distant future where most of the world's fossil fuels are exhausted or contaminated (war reasons more than environmental) and ...
1
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1answer
94 views

What chemicals can be used as an alternative fuel in an Internal Combustion engine, that are environmentally friendly? [closed]

As most people know, not all animals on earth benefit from humans driving vehicles that warm the globe and produce horrible chemicals, such as Carbon dioxide and Nitrogen oxide. My question What ...
6
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3answers
461 views

Spaceship fuel on Europa

What would make a good propulsion source for small engines and manouvering thrusters for spacecraft vehicles on Europa (moon of Jupiter), both for near-surface operations (vacuum) and in caves beneath ...
8
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4answers
244 views

Propulsion Systems

In my world, 500 years in the future, my population fits anti-gravity engines to salvaged boats as a form of transport. These transports fly close to the Earth's surface and are powered by a highly ...
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4answers
152 views

Fuel for a commercial space shuttle

The Aurora company has unveiled the new Interplanetary Airliner (usually simplified to space shuttle) offering both affordable and comfortable space travel to the middle and upper classes of the ...
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7answers
601 views

Repurposing A Cargo Ship In A Post-Apocalyptic World

How would one go about repurposing a small cargo ship, no more than 50,000 tons, to run on an alternative fuel source/propulsion other than oil? And what alternative source would work best for ...
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10answers
3k views

What energy sources would a species use if they didn't have access to fossil fuels?

I'm designing an alien race that hasn't developed electricity yet. Now, one thing about their species is that they haven't discovered fossil fuels on their planet to use, like coal, oil, etc. (The ...
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4answers
281 views

What kind of fuel would spaceships capable of faster-than-light travel use? [closed]

In my book series, faster-than-light travel is a thing, allowing the fastest spaceships to cross a Milky-Way-sized galaxy in a matter of days. The slower ships could manage that in about 2 weeks. ...
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14answers
4k views

Alternative source of fuel instead of wood

In my world, humans live on an island. The island is not real big, there is a volcano, a river around which is a marsh.The forest on the island is sacred for them so they cannot enter it and cannot ...
5
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4answers
638 views

Mobile Post-Apocalypse Shelter

So there was a nuclear apocalypse. It doesn't really matter why. Most people now, about a few decades or so later, are scavengers. They take pre-nukes things and use them for shelter and utilities. ...
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3answers
247 views

Are the petroleum deposits correlated to the dinosaurs extintion?

I am designing an alternate world where the meteorite that caused the massive dinosaurs extinction never hit Earth. I am stuck in one point: If the massive deaths of the dinosaurs worldwide never ...
3
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2answers
146 views

Amount of Farmland Needed to Produce Biodiesel

Consider a post-Apocalyptic society of collective farmers that has access to a waning supply of modern farm supplies, a small, independent power grid, and a enough knowledge to keep themselves fed ...
0
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1answer
225 views

Would a magnetic monopole rocket engine produce more energy than an ion engine?

Would a starship that was propelled by magnetic monopoles fly faster and longer than ion engines (assuming magnetic monopoles exist) of course.
6
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4answers
169 views

Chemicals for a biorocket

A civilization is very good at bio-engineering, and I was wondering if there was any kind of chemical an organism could produce which would produce viable rocket fuel. It has to do a of couple of ...
3
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4answers
3k views

How would technology differ, if fossil fuels never existed?

Although the fossil fuel coal had been used as a fuel since 1,000 B.C., it wasn't until the arrival of the Industrial Revolution from the mid-1700s through the 1800s that coal began to replace biomass ...
3
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3answers
246 views

Surveying fossil fuel deposits from the air

On Earth in 2017, finding oil or coal deposits is a tall order. However, consider a science fiction scenario where we find a habitable planet that hasn't hosted an intelligent species in at least a ...
3
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7answers
334 views

What could cause alien civilizations to be stranded on earth?

I'm not talking about a single alien civilization that is stranded on earth, I'm talking about multiple civilizations that will cause major overpopulation on earth. So this means that the ...
21
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10answers
4k views

Refueling from stars

My galaxy exploring ship is powered by a fusion reactor (back up with some solar panels but they spend a long time between stars). We know that stars are powered by fusion too, so they have all the ...
26
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5answers
1k views

How do I use weird bouncing magic to power my society?

Edit: See bottom of the post for answers to some great questions I got! The Short Version: How do I make perpetual motion machines that utilize the following things: Bundles of weightless energy ...
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2answers
191 views

What would be a super fuel for methanol fuel dominating setting?

Tech level - comparable to contemporary; no fossil fuels, all fuel has to be produced synthetically, as simplest to produce (and store!!!) was selected methanol. Theoretically quite good - superior ...
5
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3answers
196 views

The Fate of Coal Factories in a Life After People

The History Channel program Life After People focuses on how civilization would fare if humans instantly vanished. One episode says that one hour after people, unattended oil refineries blow up in ...
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7answers
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How would people power vehicles on a planet with no fossil fuels (like Mars)?

I’m interested in realistic and practical fuel or power sources for vehicles (particularly military ones), where there are no fossil fuels available. The setting is 400 years in the future. The only ...
3
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5answers
184 views

Swiss Army Rockets

Is it possible to build a rocket that uses several different types of fuel/fuel delivery methods at different times during flight? For example, it may use nuclear fuel to travel to a different planet ...
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6answers
451 views

How to explain lack of fosil fuels on an Earth-like exoplanet?

Planet - habitable, tidally locked planet orbitting red dwarf. Aim: a realistic answer (neither involving handwavium nor aliens that used it all) why a virgin planet that already experienced a while ...
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2answers
123 views

Microfilaments on wheels would save fuel?

Background: In the game Starcraft 2, the zerg land-based units have some microfillaments on their legs. Here is the info. The microfilaments allow the units to move faster than normal when over the ...
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3answers
141 views

A World of Independent Electricity

I've been told that electricity is run primarily by fossil fuels--coal, oil and natural gas. Electricity has been a growing commodity since Thomas Edison made the light bulbs possible to mass-produce,...
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4answers
150 views

How could an amorphous blob create rocket fuel?

In my last question, I asked about a blob devouring a planet and escaping its gravity. Since simply tossing itself into the air isn't going to work, it's going to need to make itself into a rocket, ...
3
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4answers
1k views

Manufacturing of fuel, post-apocalypse

I'm currently writing a post- zombie-apocalypse story, where Average Joe and his group have outlived the zombies, and wants to be a large settlement. They quickly agree to be industrial and ...
89
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17answers
14k views

Are there logical gaps in the periodic table in which you could insert a new mystery element for use as a fuel?

As in the title. We have the modern periodic table: In a potential near (or far) future setting humanity discovers a new element which serves as the basis for a cleaner, higher energy density fuel ...
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3answers
2k views

If Mars contains coal, will it become a dominant source of energy?

In the year 2099 A.D, humans made a major discovery. There is a rich source of fossil fuel buried beneath layers of Martian soil. It is estimated that the coal deposit that was discovered could fill ...