- 31 Μάιος 2021, 15:05
#711057
H λύση που προτείνει ο αρθρογράφος:
SO WHAT'S THE SOLUTION?
We've spent the last hundred years getting really, really good at making ICE engines. The problem isn't the ICE but what we burn in it. There are several manufacturers investing millions in synthetic eFuels. These fuels capture carbon during the production process, then release it when they are burned - making them carbon neutral. Currently they are expensive, but the price will come down. Maybe we need to look at hybrid vehicles that burn synthetic eFuels as a solution for people who need that longer range and the ability to do a 'splash and dash'?
If we invested more in synthetic eFuels that might buy time for the electric infrastructure to catch up and the price of electric cars to come down.Φαντάζομαι εννοεί αυτό:
https://en.wikipedia.org/wiki/Carbon-neutral_fuelCarbon-neutral fuels are synthetic hydrocarbons. They can be produced in chemical reactions between carbon dioxide, which can be captured from power plants or the air, and hydrogen, which is created by the electrolysis of water using renewable energy. The fuel, often referred to as electrofuel, stores the energy that was used in the production of the hydrogen.[10] Coal can also be used to produce the hydrogen, but that would not be a carbon-neutral source. Carbon dioxide can be captured and buried, making fossil fuels carbon-neutral, although not renewable. Carbon capture from exhaust gas can make carbon-neutral fuels carbon negative. Other hydrocarbons can be broken down to produce hydrogen and carbon dioxide which could then be stored while the hydrogen is used for energy or fuel, which would also be carbon-neutral.[11]
The most energy-efficient fuel to produce is hydrogen gas,[12] which can be used in hydrogen fuel cell vehicles, and which requires the fewest process steps to produce. Hydrogen fuel is typically prepared by the electrolysis of water in a power to gas process. Through the Sabatier reaction methane can then be produced which may then be stored to be burned later in power plants (as a synthetic natural gas), transported by pipeline, truck, or tanker ship, or be used in gas to liquids processes such as the Fischer–Tropsch process to make traditional fuels for transportation or heating.[3][13][14]Ουσιαστικά λοιπόν καταλήγουμε πάλι στο υδρογόνο. Το οποίο υδρογόνο, έχει πάρα πολλά κακά, εκτός από καλά, αλλά έχει ένα τεράστιο καλό: επειδή παράγεται με ηλεκρόλυση, μπορούμε να το παράγουμε εύκολα από την περίσσεια των ΑΠΕ. Δηλαδή, αν έχεις ανεμογεννήτριες που παράγουν ρεύμα που δεν μπορείς να κάψεις, τότε παράγεις υδρογόνο.
Αν βέβαια κάποιοι γκρινιάζουν για τις υποδομές φόρτισης, τι ακριβώς πρέπει να πούμε για το υδρογόνο, που είναι πολύ δύσκολο και στην μεταφορά και στην αποθήκευση;
Πάντως, απ' όλα τα προβλήματα που παρέθεσε, ένα είναι το μεγαλύτερο και αυτό που ήδη παίζει να προκαλέσει μερικούς πολέμους: η σπανιότητα ορισμένων μετάλλων, όπως το λίθιο και οι σπάνιες γαιες. Αυτό είναι θέμα, και ειδικά όταν οι τελευταίες είναι κυρίως στο έδαφος της Κίνας.
Επιπλέον, δεν είναι μόνον τα ποδήλατα, η ζήτηση για τις μπαταρίες αυξάνεται διαρκώς για όλα τα πράγματα γύρω μας και όχι μόνον για τα αυτοκίνητα.
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