[gd_resource type="Resource" script_class="VesselUpgradeDefinition" load_steps=2 format=3]
[ext_resource type="Script" path="res://VesselUpgradeDefinition.gd" id="1"]
[resource]
script = ExtResource("1")
upgrade_id = "trn_speed"
display_name = "Freight Engines"
description = "+70 speed on supply runs."
base_cost = 30
max_level = 3
research_point_cost = 1
icon = 22
additive_modifiers = {"transport_speed": 70.0}