Which one of the following Union Ministries is implementing the Biodiesel Mission (as Nodal Ministry)?

1. India's National Biodiesel Mission involved multiple ministries, but the focus and nodal responsibility shifted over time. 2. The initial emphasis, particularly around the mid-2000s, was heavily on promoting the cultivation of non-edible oilseed crops like Jatropha, especially on wastelands, to produce biodiesel. 3. The Ministry of Rural Development was designated as the Nodal Ministry for the plantation and cultivation aspect, which was central to the mission's implementation strategy at that time. 4. The Ministry of New and Renewable Energy focuses more on the technological and utilization aspects of biofuels.