ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
This is a "back of the envelope" calculation on what it takes to get to about 1 gigaton of carbon dioxide equivalent (CO2e) reductions using MPA
2
Background: http://ussie.siouxneil.com/can-mpas-fix-the-climate/
3
————-
4
Data inputs:
5
4100
pounds of CO2e per year emitted with EV using US grid average
Source for original data: https://afdc.energy.gov/vehicles/electric_emissions.html
6
11435
pounds of CO2e per year emitted by average gas car
7
11824
miles per year per US car on average
8
1922
pounds of CO2e for EVs in CA with 42% of electric powered by NatGas (this is a proxy for where the world will go over the decade)
9
2205
conversion factor: Pounds per metric ton
10
————-
11
Calculations:
12
0.967
Pounds per mile per of gas car
13
0.163
Pounds per mile of CA EV
14
0.805
Avoided pounds per mile of CA EV
0.0003648753141
avoided metric tonne/ mile in CA
15
16
25,000
Miles per year - key assumption - US average is about 12,000 - assume MPAs used for high mileage vehicles
17
20,114
Avoided pounds per vehicle/yr
18
9
Avoided metric tons per vehicle/yr (convert lb to tonne)
19
109,626,490
Number of vehicles needed for 1 Gt
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100