revert further unintended changes

config/config.entsoe-all.yaml

@@ -29,7 +29,7 @@ countries: ['AL', 'AT', 'BA', 'BE', 'BG', 'CH', 'CZ', 'DE', 'DK', 'EE', 'ES', 'F
 
 electricity:
   custom_powerplants: true
-  co2limit: 0
+  co2limit: 9.59e+7
   co2base: 1.918e+9
 
 lines:

config/test/config.electricity.yaml

@@ -24,7 +24,7 @@ snapshots:
   end: "2013-03-08"
 
 electricity:
-  co2limit_enable: false
+  co2limit_enable: true
   co2limit: 100.e+6
 
   extendable_carriers:

config/test/config.myopic.yaml

@@ -34,8 +34,6 @@ sector:
   central_heat_vent: true
 
 electricity:
-  co2limit_enable: false
-  co2limit: 100.e+6
 
   extendable_carriers:
     Generator: [OCGT]

config/test/config.overnight.yaml

@@ -28,8 +28,6 @@ snapshots:
   end: "2013-03-08"
 
 electricity:
-  co2limit_enable: false
-  co2limit: 100.e+6
 
   extendable_carriers:
     Generator: [OCGT]

config/test/config.perfect.yaml

@@ -31,8 +31,6 @@ snapshots:
   end: "2013-03-08"
 
 electricity:
-  co2limit_enable: false
-  co2limit: 100.e+6
 
   extendable_carriers:
     Generator: [OCGT]

doc/supply_demand.rst

@@ -211,7 +211,7 @@ Today, most of the :math:`H_2` consumed globally is produced from natural gas by
 
 .. math::
 
-   CH_4 + H_2O \xrightarrow{} CO + 3h_2
+   CH_4 + H_2O \xrightarrow{} CO + 3H_2
 
 combined with a water-gas shift reaction
 
@@ -453,7 +453,7 @@ The basic chemicals consumption data from the `JRC IDEES  <https://op.europa.eu/
 Statistics for the production of ammonia, which is commonly used as a fertilizer, are taken from the `USGS <https://www.usgs.gov/media/files/nitrogen-2017-xlsx>`__ for every country. Ammonia can be made from hydrogen and nitrogen using the Haber-Bosch process.
 
 .. math::
-   N_2 + 3h_2 \xrightarrow{}  2NH_3
+   N_2 + 3H_2 \xrightarrow{}  2NH_3