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As of now, org-mode always adds a \centering into the Latex export for figures. This makes my figures appear centered. But I want them to be alligned to the left. For tables, some suggested using :center nil. But there is no such thing for figures. Someone else suggested modifying an elisp variable but I looked and there is no such variable. If I add :float nil then \centering is removed but this ignores captions as well. So how can I make Latex export not add \centering before \includegraphics by default? I want to retain captions.

If I manually edit resulting tex file and remove \centering, I get my images as intended. But this time caption stays centered, only the image moves.

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In org-mode 8.3 or later, this is controlled by the variable org-latex-images-centered:

When non-nil, images are centered.

The default is t; you want to set it to nil. This can be done either by setting it globally in your Emacs config: (setq org-latex-images-centered nil) or by using a BIND option in each org file where you want this setting:

#+BIND: org-latex-images-centered nil

In the latter case you have to set org-export-allow-bind-keywords to t in your Emacs config to allow the BIND keyword to do anything.

To set this per figure (or table) you can set latex attributes. Adding 

#+ATTR_LATEX: :center nil

will suppress the centering for that float only.

For tables there is a corresponding variable org-latex-tables-centered that behaves the same way.

Personally I recommend the BIND version as it makes the document more portable and reproducible, especially if you have co-authors.

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    I set it to nil but the outcome didn't change. Produced tex file still has \centering embedded. Commented Dec 30, 2016 at 23:49
  • It works for me in Emacs 26.0.50.2, Org mode 9.0.3. Do you have different version? I'm editing in another method you can try. Commented Dec 31, 2016 at 0:19
  • I am still using emacs25 and my org-mode is 8.2. I will consider upgrading. Commented Dec 31, 2016 at 0:23
  • 25 is the current stable version; it's best to stick with that unless you like betas. Probably updating org-mode is enough. Commented Dec 31, 2016 at 0:28
  • @meguli A little searching seems to show this variable first appeared in org 8.3. Commented Dec 31, 2016 at 0:46

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