Murray Callander – Medium

Murray Callander

Murray Callander

Is an Electric Car cheaper to run than a diesel?

This depends greatly on the price you pay for the electricity and how efficient your Electric Car is. Here is a chart to help you.

3 min readSep 23, 2022

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An EV gets the same (or worse) equivalent MPG as a modern diesel if you have to charge on the public networks (blue cells or below). It is only cost effective if you can charge at home, and the larger EVs are only cost effective at the cheaper night-time tariffs

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Murray Callander

My EV costs 10p per mile but you shouldn’t buy one

At the weekend I drove a return journey totalling 280 miles mostly on motorways. The average cost was 10p/mile (or about £28).

3 min readSep 21, 2022

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A detailed breakdown of the costs of charging an electric car over a 280 mile journey

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Murray Callander

Trophic cascades: Wolves, bees and “spreadsheet thinking”

Short-sighted optimisation using over-simplistic models is a repeated pattern in human history, and especially since spreadsheets arrived

3 min readAug 16, 2022

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Trophic cascades: Wolves, bees and “spreadsheet thinking”

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Murray Callander

Troubleshooting software problems is hard — especially in Electric Cars

Building an Electric Racing car that passes the scrutineering at Silverstone is a challenge, and getting the software right is even harder.

3 min readAug 11, 2022

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Troubleshooting software problems is hard — especially in Electric Cars

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Murray Callander

How long does it take to charge an electric car?

Here’s a best case estimate for how long it takes to add 100 miles of range to an EV using the different charging options available.

2 min readMay 13, 2022

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How long does it take to charge an electric car?

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Murray Callander

Guess how many people opposed sewers and clean water in 1848?

I’ve just read a bit of local history that really struck a chord with me and actually encouraged me despite the subject matter! But before…

5 min readFeb 23, 2022

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Old photograph of Keswick town centre showing the town hall, taken some time in the early 1900s.

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Murray Callander

What’s it like to drive an Electric Car in the UK?

My experience of driving a 260 mile round trip in the UK and not using the Tesla infrastructure.

6 min readFeb 9, 2022

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What’s it like to drive an Electric Car in the UK?

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Murray Callander

How much does it cost to drive an electric car in the real world?

A friend of mine recently asked me what the real-world running costs of an electric car were so I thought I’d share my answer. I’m on my…

2 min readFeb 7, 2022

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How much does it cost to drive an electric car in the real world?

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Murray Callander

My electric car does 1000 miles on a charge

It doesn’t by the way, but if it did it wouldn’t solve anything — here’s why based on my 6 years experience living with electric car

5 min readFeb 7, 2022

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My electric car does 1000 miles on a charge

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Murray Callander

Electric Cars — range doesn’t matter, getting home does

When you say you own an electric car everyone’s first question is about that magic word “Range” — “How far can it go on a charge?”. Having…

4 min readFeb 1, 2022

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Electric Cars — range doesn’t matter, getting home does

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Murray Callander

Murray Callander

Co-Founder & CEO @eigenltd — How can we help industrial companies become more efficient? And how do we make sure we do a great job?

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