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The Problem with Biofuels

Real Engineering · explainer · Watch on YouTube

Renewables, batteries & storageEnvironment, agriculture & food systemsClimate policy, solutions & debate

What it is

Real Engineering explains why biofuels, especially corn ethanol, are a poor energy source, looking at energy inputs, efficiency and carbon cost.

Why Hacker News recommends it

Linked in fuel and aviation threads as the full story on why ethanol and biofuels are energy-negative or inefficient.

  • 2 people recommended it
  • 1 different months
  • 1 strong recommendations
  • first 2021, last 2023

What HN commenters said

  1. “But watch the video for the full story”

    Shows ethanol from corn is a poor energy source.

    lathiat, 2021-07 · Strong recommendation · in “Unleaded Avgas Approved”

  2. “The same creator has a 15 minute video on that topic”

    Explains that biofuel production is energy negative.

    dharmab, 2021-07 · Recommendation · in “EU draft exempts private jets, cargo from jet fuel tax”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: biofuels, ethanol, energy, carbon, engineering

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